diff --git a/cogs/ae7qcog.py b/cogs/ae7qcog.py
index c4d67e8..4304895 100644
--- a/cogs/ae7qcog.py
+++ b/cogs/ae7qcog.py
@@ -13,28 +13,29 @@ KE8FGB: assigned once, no restrictions
 NA2AAA: unassigned, no records
 """
 
+from datetime import datetime
+
 import discord
 import discord.ext.commands as commands
 
-from datetime import datetime
 from bs4 import BeautifulSoup
 import aiohttp
 
 
 class AE7QCog(commands.Cog):
-    def __init__(self, bot):
+    def __init__(self, bot: commands.Bot):
         self.bot = bot
         self.gs = bot.get_cog("GlobalSettings")
 
     @commands.group(name="ae7q", aliases=["ae"])
-    async def _ae7q_lookup(self, ctx):
+    async def _ae7q_lookup(self, ctx: commands.Context):
         '''Look up a callsign, FRN, or Licensee ID on ae7q.com'''
         if ctx.invoked_subcommand is None:
             await ctx.send('Invalid ae7q command passed\nPossible commands:' +
                            '`call`, `frn`, `lic` or `licensee`.')
 
     @_ae7q_lookup.command(name="call")
-    async def _ae7q_call(self, ctx, callsign: str):
+    async def _ae7q_call(self, ctx: commands.Context, callsign: str):
         callsign = callsign.upper()
         desc = ''
         base_url = "http://ae7q.com/query/data/CallHistory.php?CALL="
@@ -52,7 +53,7 @@ class AE7QCog(commands.Cog):
             rows = table.find_all("tr")
             if len(rows) > 1 and len(rows[0]) > 1:
                 break
-            elif desc == '':
+            if desc == '':
                 for row in rows:
                     desc += " ".join(row.getText().split())
                     desc += '\n'
@@ -75,19 +76,18 @@ class AE7QCog(commands.Cog):
         for tr in rows:
             if rows.index(tr) == 0:
                 continue
-            else:
-                row_cells = []
-                for td in tr.find_all('td'):
-                    if td.getText().strip() != '':
-                        row_cells.append(td.getText().strip())
-                    else:
-                        row_cells.append('-')
-                    if 'colspan' in td.attrs and int(td.attrs['colspan']) > 1:
-                        for i in range(int(td.attrs['colspan']) - 1):
-                            row_cells.append(row_cells[-1])
-                for i in range(len(row_cells)):
-                    if row_cells[i] == '"':
-                        row_cells[i] = table_contents[-1][i]
+            row_cells = []
+            for td in tr.find_all('td'):
+                if td.getText().strip() != '':
+                    row_cells.append(td.getText().strip())
+                else:
+                    row_cells.append('-')
+                if 'colspan' in td.attrs and int(td.attrs['colspan']) > 1:
+                    for i in range(int(td.attrs['colspan']) - 1):
+                        row_cells.append(row_cells[-1])
+            for i, cell in enumerate(row_cells):
+                if cell == '"':
+                    cell = table_contents[-1][i]
             if len(row_cells) > 1:
                 table_contents += [row_cells]
 
@@ -137,5 +137,5 @@ class AE7QCog(commands.Cog):
     #     pass
 
 
-def setup(bot):
+def setup(bot: commands.Bot):
     bot.add_cog(AE7QCog(bot))
diff --git a/cogs/basecog.py b/cogs/basecog.py
index 79dc20a..5556ff9 100644
--- a/cogs/basecog.py
+++ b/cogs/basecog.py
@@ -7,14 +7,14 @@ This file is part of discord-qrmbot and is released under the terms of the GNU
 General Public License, version 2.
 """
 
+from datetime import datetime
+
 import discord
 import discord.ext.commands as commands
 
-from datetime import datetime
-
 
 class BaseCog(commands.Cog):
-    def __init__(self, bot):
+    def __init__(self, bot: commands.Bot):
         self.bot = bot
         self.gs = bot.get_cog("GlobalSettings")
 
@@ -33,7 +33,8 @@ class BaseCog(commands.Cog):
         await ctx.send(embed=embed)
 
     @commands.command(name="ping")
-    async def _ping(self, ctx):
+    async def _ping(self, ctx: commands.Context):
+        """Show the current latency to the discord endpoint."""
         embed = discord.Embed(title="**Pong!**",
                               description=f'Current ping is {self.bot.latency*1000:.1f} ms',
                               colour=self.gs.colours.neutral,
@@ -43,5 +44,5 @@ class BaseCog(commands.Cog):
         await ctx.send(embed=embed)
 
 
-def setup(bot):
+def setup(bot: commands.Bot):
     bot.add_cog(BaseCog(bot))
diff --git a/cogs/funcog.py b/cogs/funcog.py
index 3ff3238..8045c54 100644
--- a/cogs/funcog.py
+++ b/cogs/funcog.py
@@ -7,30 +7,29 @@ This file is part of discord-qrmbot and is released under the terms of the GNU
 General Public License, version 2.
 """
 
-import discord
 import discord.ext.commands as commands
 
 
 class FunCog(commands.Cog):
-    def __init__(self, bot):
+    def __init__(self, bot: commands.Bot):
         self.bot = bot
         self.gs = bot.get_cog("GlobalSettings")
 
     @commands.command(name="xkcd", aliases=['x'])
-    async def _xkcd(self, ctx, num : str):
+    async def _xkcd(self, ctx: commands.Context, num: str):
         '''Look up an xkcd by number.'''
         await ctx.send('http://xkcd.com/' + num)
 
     @commands.command(name="tar")
-    async def _tar(self, ctx):
+    async def _tar(self, ctx: commands.Context):
         '''Returns an xkcd about tar.'''
         await ctx.send('http://xkcd.com/1168')
 
     @commands.command(name="xd")
-    async def _xd(self, ctx):
+    async def _xd(self, ctx: commands.Context):
         '''ecks dee'''
         await ctx.send('ECKS DEE :smirk:')
 
 
-def setup(bot):
+def setup(bot: commands.Bot):
     bot.add_cog(FunCog(bot))
diff --git a/cogs/gridcog.py b/cogs/gridcog.py
index 03f1d9a..f86b02a 100644
--- a/cogs/gridcog.py
+++ b/cogs/gridcog.py
@@ -7,20 +7,20 @@ This file is part of discord-qrmbot and is released under the terms of the GNU
 General Public License, version 2.
 """
 
-import discord
-import discord.ext.commands as commands
-
 import math
 from datetime import datetime
 
+import discord
+import discord.ext.commands as commands
+
 
 class GridCog(commands.Cog):
-    def __init__(self, bot):
+    def __init__(self, bot: commands.Bot):
         self.bot = bot
         self.gs = bot.get_cog("GlobalSettings")
 
     @commands.command(name="grid")
-    async def _grid_sq_lookup(self, ctx, lat : str, lon : str):
+    async def _grid_sq_lookup(self, ctx: commands.Context, lat: str, lon: str):
         '''Calculates the grid square for latitude and longitude coordinates.
     Usage: `?grid <lat> <lon>`
     `lat` and `lon` are decimal coordinates, with negative being latitude South and longitude West.'''
@@ -45,9 +45,9 @@ class GridCog(commands.Cog):
                                      icon_url=str(ctx.author.avatar_url))
                 else:
                     raise ValueError('Out of range.')
-            except Exception as e:
+            except ValueError as err:
                 msg = f'Error generating grid square for {lat}, {lon}.'
-                embed = discord.Embed(title=msg, description=str(e),
+                embed = discord.Embed(title=msg, description=str(err),
                                       colour=self.gs.colours.bad,
                                       timestamp=datetime.utcnow())
                 embed.set_footer(text=ctx.author.name,
@@ -55,24 +55,26 @@ class GridCog(commands.Cog):
         await ctx.send(embed=embed)
 
     @commands.command(name="ungrid", aliases=['loc'])
-    async def _location_lookup(self, ctx, grid : str, grid2 : str = None):
+    async def _location_lookup(self, ctx: commands.Context, grid: str, grid2: str = None):
         '''Calculates the latitude and longitude for the center of a grid square.
     If two grid squares are given, the distance and azimuth between them is calculated.'''
         with ctx.typing():
             if grid2 is None or grid2 == '':
                 try:
                     grid = grid.upper()
-                    loc = self.getCoords(grid)
+                    loc = get_coords(grid)
 
                     if len(grid) >= 6:
                         embed = discord.Embed(title=f'Latitude and Longitude for {grid}',
-                                              description=f'**{loc[0]:.5f}, {loc[1]:.5f}**', colour=self.gs.colours.good,
+                                              description=f'**{loc[0]:.5f}, {loc[1]:.5f}**',
+                                              colour=self.gs.colours.good,
                                               url=f'https://www.openstreetmap.org/#map=13/{loc[0]:.5f}/{loc[1]:.5f}',
                                               timestamp=datetime.utcnow())
 
                     else:
                         embed = discord.Embed(title=f'Latitude and Longitude for {grid}',
-                                              description=f'**{loc[0]:.1f}, {loc[1]:.1f}**', colour=self.gs.colours.good,
+                                              description=f'**{loc[0]:.1f}, {loc[1]:.1f}**',
+                                              colour=self.gs.colours.good,
                                               url=f'https://www.openstreetmap.org/#map=10/{loc[0]:.1f}/{loc[1]:.1f}',
                                               timestamp=datetime.utcnow())
                     embed.set_footer(text=ctx.author.name,
@@ -85,28 +87,28 @@ class GridCog(commands.Cog):
                     embed.set_footer(text=ctx.author.name,
                                      icon_url=str(ctx.author.avatar_url))
             else:
-                R = 6371
+                radius = 6371
                 try:
                     grid = grid.upper()
                     grid2 = grid2.upper()
-                    loc = self.getCoords(grid)
-                    loc2 = self.getCoords(grid2)
+                    loc = get_coords(grid)
+                    loc2 = get_coords(grid2)
                     # Haversine formula
-                    dLat = math.radians(loc2[0] - loc[0])
-                    dLon = math.radians(loc2[1] - loc[1])
-                    a = math.sin(dLat/2) ** 2 +\
+                    d_lat = math.radians(loc2[0] - loc[0])
+                    d_lon = math.radians(loc2[1] - loc[1])
+                    a = math.sin(d_lat/2) ** 2 +\
                         math.cos(math.radians(loc[0])) * math.cos(math.radians(loc2[0])) *\
-                        math.sin(dLon/2) ** 2
+                        math.sin(d_lon/2) ** 2
                     c = 2 * math.atan2(math.sqrt(a), math.sqrt(1-a))
-                    d = R * c
+                    d = radius * c
                     d_mi = 0.6213712 * d
 
                     # Bearing
-                    y = math.sin(math.radians(loc2[1]-loc[1])) * math.cos(math.radians(loc2[0]))
-                    x = math.cos(math.radians(loc[0])) * math.sin(math.radians(loc2[0])) -\
+                    y_dist = math.sin(math.radians(loc2[1]-loc[1])) * math.cos(math.radians(loc2[0]))
+                    x_dist = math.cos(math.radians(loc[0])) * math.sin(math.radians(loc2[0])) -\
                         math.sin(math.radians(loc[0])) * math.cos(math.radians(loc2[0])) *\
                         math.cos(math.radians(loc2[1] - loc[1]))
-                    bearing = ( math.degrees(math.atan2(y, x)) + 360 ) % 360
+                    bearing = (math.degrees(math.atan2(y_dist, x_dist)) + 360) % 360
 
                     des = f'**Distance:** {d:.1f} km ({d_mi:.1f} mi)\n**Bearing:** {bearing:.1f}°'
                     embed = discord.Embed(title=f'Great Circle Distance and Bearing from {grid} to {grid2}',
@@ -124,35 +126,35 @@ class GridCog(commands.Cog):
                                      icon_url=str(ctx.author.avatar_url))
         await ctx.send(embed=embed)
 
-    def getCoords(self, grid: str):
-        if len(grid) < 3:
-            raise ValueError('The grid locator must be at least 4 characters long.')
 
-        if not grid[0:2].isalpha() or not grid[2:4].isdigit():
-            if len(grid) <= 4:
-                raise ValueError('The grid locator must be of the form AA##.')
-            elif len(grid) >= 6 and not grid[5:7].isalpha():
-                raise ValueError('The grid locator must be of the form AA##AA.')
+def get_coords(grid: str):
+    if len(grid) < 3:
+        raise ValueError('The grid locator must be at least 4 characters long.')
 
-        lon = ((ord(grid[0]) - ord('A')) * 20) - 180;
-        lat = ((ord(grid[1]) - ord('A')) * 10) - 90;
-        lon += ((ord(grid[2]) - ord('0')) * 2);
-        lat += ((ord(grid[3]) - ord('0')) * 1);
+    if not grid[0:2].isalpha() or not grid[2:4].isdigit():
+        if len(grid) <= 4:
+            raise ValueError('The grid locator must be of the form AA##.')
+        if len(grid) >= 6 and not grid[5:7].isalpha():
+            raise ValueError('The grid locator must be of the form AA##AA.')
 
-        if len(grid) >= 6:
-            # have subsquares
-            lon += ((ord(grid[4])) - ord('A')) * (5/60);
-            lat += ((ord(grid[5])) - ord('A')) * (2.5/60);
-            # move to center of subsquare
-            lon += (2.5/60);
-            lat += (1.25/60);
-            return (lat, lon)
-        else:
-            # move to center of square
-            lon += 1;
-            lat += 0.5;
-            return (lat, lon)
+    lon = ((ord(grid[0]) - ord('A')) * 20) - 180
+    lat = ((ord(grid[1]) - ord('A')) * 10) - 90
+    lon += ((ord(grid[2]) - ord('0')) * 2)
+    lat += ((ord(grid[3]) - ord('0')) * 1)
+
+    if len(grid) >= 6:
+        # have subsquares
+        lon += ((ord(grid[4])) - ord('A')) * (5/60)
+        lat += ((ord(grid[5])) - ord('A')) * (2.5/60)
+        # move to center of subsquare
+        lon += (2.5/60)
+        lat += (1.25/60)
+        return (lat, lon)
+    # move to center of square
+    lon += 1
+    lat += 0.5
+    return (lat, lon)
 
 
-def setup(bot):
+def setup(bot: commands.Bot):
     bot.add_cog(GridCog(bot))
diff --git a/cogs/hamcog.py b/cogs/hamcog.py
index f8d79b4..7c04950 100644
--- a/cogs/hamcog.py
+++ b/cogs/hamcog.py
@@ -6,34 +6,34 @@ Copyright (C) 2019 Abigail Gold, 0x5c
 This file is part of discord-qrmbot and is released under the terms of the GNU
 General Public License, version 2.
 """
-
-import discord
-import discord.ext.commands as commands
-
 import json
 import random
 from datetime import datetime
 
+import discord
+import discord.ext.commands as commands
+
+
 class HamCog(commands.Cog):
-    def __init__(self, bot):
+    def __init__(self, bot: commands.Bot):
         self.bot = bot
         self.gs = bot.get_cog("GlobalSettings")
         with open('resources/qcodes.json') as qcode_file:
             self.qcodes = json.load(qcode_file)
         with open('resources/words') as words_file:
-            self.WORDS = words_file.read().lower().splitlines()
+            self.words = words_file.read().lower().splitlines()
 
     @commands.command(name="qcode", aliases=['q'])
-    async def _qcode_lookup(self, ctx, q : str):
+    async def _qcode_lookup(self, ctx: commands.Context, qcode: str):
         '''Look up a Q Code.'''
         with ctx.typing():
-            q = q.upper()
-            if q in self.qcodes:
-                embed = discord.Embed(title=q, description=self.qcodes[q],
+            qcode = qcode.upper()
+            if qcode in self.qcodes:
+                embed = discord.Embed(title=qcode, description=self.qcodes[qcode],
                                       colour=self.gs.colours.good,
                                       timestamp=datetime.utcnow())
             else:
-                embed = discord.Embed(title=f'Q Code {q} not found',
+                embed = discord.Embed(title=f'Q Code {qcode} not found',
                                       colour=self.gs.colours.bad,
                                       timestamp=datetime.utcnow())
             embed.set_footer(text=ctx.author.name,
@@ -41,14 +41,13 @@ class HamCog(commands.Cog):
         await ctx.send(embed=embed)
 
     @commands.command(name="phonetics", aliases=['ph', 'phoneticize', 'phoneticise', 'phone'])
-    async def _phonetics_lookup(self, ctx, *, msg: str):
+    async def _phonetics_lookup(self, ctx: commands.Context, *, msg: str):
         '''Get phonetics for a word or phrase.'''
         with ctx.typing():
             result = ''
             for char in msg.lower():
                 if char.isalpha():
-                    w = [word for word in self.WORDS if (word[0] == char)]
-                    result += random.choice(w)
+                    result += random.choice([word for word in self.words if word[0] == char])
                 else:
                     result += char
                 result += ' '
@@ -61,11 +60,11 @@ class HamCog(commands.Cog):
         await ctx.send(embed=embed)
 
     @commands.command(name="utc", aliases=['z'])
-    async def _utc_lookup(self, ctx):
+    async def _utc_lookup(self, ctx: commands.Context):
         '''Gets the current time in UTC.'''
         with ctx.typing():
-            d = datetime.utcnow()
-            result = '**' + d.strftime('%Y-%m-%d %H:%M') + 'Z**'
+            now = datetime.utcnow()
+            result = '**' + now.strftime('%Y-%m-%d %H:%M') + 'Z**'
             embed = discord.Embed(title='The current time is:',
                                   description=result,
                                   colour=self.gs.colours.good,
@@ -75,5 +74,5 @@ class HamCog(commands.Cog):
         await ctx.send(embed=embed)
 
 
-def setup(bot):
+def setup(bot: commands.Bot):
     bot.add_cog(HamCog(bot))
diff --git a/cogs/imagecog.py b/cogs/imagecog.py
index 149d6e1..60a9a6c 100644
--- a/cogs/imagecog.py
+++ b/cogs/imagecog.py
@@ -7,21 +7,22 @@ This file is part of discord-qrmbot and is released under the terms of the GNU
 General Public License, version 2.
 """
 
+import io
+from datetime import datetime
+
 import discord
 import discord.ext.commands as commands
 
 import aiohttp
-import io
-from datetime import datetime
 
 
 class ImageCog(commands.Cog):
-    def __init__(self, bot):
+    def __init__(self, bot: commands.Bot):
         self.bot = bot
         self.gs = bot.get_cog("GlobalSettings")
 
     @commands.command(name="plan", aliases=['bands'])
-    async def _bandplan(self, ctx, msg: str = ''):
+    async def _bandplan(self, ctx: commands.Context, msg: str = ''):
         '''Posts an image of Frequency Allocations.
     Optional argument: `cn`, `ca`, `nl`, `us`, `mx`.'''
         name = {'cn': 'Chinese',
@@ -46,41 +47,47 @@ class ImageCog(commands.Cog):
         await ctx.send(embed=embed, file=img)
 
     @commands.command(name="cond", aliases=['condx'])
-    async def _band_conditions(self, ctx, msg: str = ''):
+    async def _band_conditions(self, ctx: commands.Context):
         '''Posts an image of HF Band Conditions.'''
         with ctx.typing():
-            async with aiohttp.ClientSession() as session:
-                async with session.get('http://www.hamqsl.com/solarsun.php') as resp:
-                    if resp.status != 200:
-                        return await ctx.send('Could not download file...')
-                    data = io.BytesIO(await resp.read())
             embed = discord.Embed(title='Current Solar Conditions',
                                   colour=self.gs.colours.good,
                                   timestamp=datetime.utcnow())
-            embed.set_image(url=f'attachment://condx.png')
+            async with aiohttp.ClientSession() as session:
+                async with session.get('http://www.hamqsl.com/solarsun.php') as resp:
+                    if resp.status != 200:
+                        embed.description = 'Could not download file...'
+                        embed.colour = self.gs.colours.bad
+                    else:
+                        data = io.BytesIO(await resp.read())
+                        embed.set_image(url=f'attachment://condx.png')
             embed.set_footer(text=ctx.author.name,
                              icon_url=str(ctx.author.avatar_url))
         await ctx.send(embed=embed, file=discord.File(data, 'condx.png'))
 
     @commands.command(name="grayline", aliases=['greyline', 'grey', 'gray', 'gl'])
-    async def _grayline(self, ctx, msg: str = ''):
+    async def _grayline(self, ctx: commands.Context):
         '''Posts a map of the current greyline, where HF propagation is the best.'''
+        gl_url = ('http://www.fourmilab.ch/cgi-bin/uncgi/Earth?img=NOAAtopo.evif'
+                  '&imgsize=320&dynimg=y&opt=-p&lat=&lon=&alt=&tle=&date=0&utc=&jd=')
         with ctx.typing():
-            async with aiohttp.ClientSession() as session:
-                async with session.get('http://www.fourmilab.ch/cgi-bin/uncgi/Earth?img=NOAAtopo.evif&imgsize=320&dynimg=y&opt=-p&lat=&lon=&alt=&tle=&date=0&utc=&jd=') as resp:
-                    if resp.status != 200:
-                        return await ctx.send('Could not download file...')
-                    data = io.BytesIO(await resp.read())
             embed = discord.Embed(title='Current Greyline Conditions',
                                   colour=self.gs.colours.good,
                                   timestamp=datetime.utcnow())
-            embed.set_image(url=f'attachment://greyline.jpg')
+            async with aiohttp.ClientSession() as session:
+                async with session.get(gl_url) as resp:
+                    if resp.status != 200:
+                        embed.description = 'Could not download file...'
+                        embed.colour = self.gs.colours.bad
+                    else:
+                        data = io.BytesIO(await resp.read())
+                        embed.set_image(url=f'attachment://greyline.jpg')
             embed.set_footer(text=ctx.author.name,
                              icon_url=str(ctx.author.avatar_url))
         await ctx.send(embed=embed, file=discord.File(data, 'greyline.jpg'))
 
     @commands.command(name="map")
-    async def _map(self, ctx, msg: str = ''):
+    async def _map(self, ctx: commands.Context, msg: str = ''):
         '''Posts an image of Frequency Allocations.
     Optional argument:`cq` = CQ Zones, `itu` = ITU Zones, `arrl` or `rac` =
     ARRL/RAC sections, `cn` = Chinese Callsign Areas, `us` = US Callsign Areas.'''
@@ -107,5 +114,5 @@ class ImageCog(commands.Cog):
         await ctx.send(embed=embed, file=img)
 
 
-def setup(bot):
+def setup(bot: commands.Bot):
     bot.add_cog(ImageCog(bot))
diff --git a/cogs/morsecog.py b/cogs/morsecog.py
index 35c1b29..9b8f9e7 100644
--- a/cogs/morsecog.py
+++ b/cogs/morsecog.py
@@ -7,15 +7,15 @@ This file is part of discord-qrmbot and is released under the terms of the GNU
 General Public License, version 2.
 """
 
-import discord
-import discord.ext.commands as commands
-
 import json
 from datetime import datetime
 
+import discord
+import discord.ext.commands as commands
+
 
 class MorseCog(commands.Cog):
-    def __init__(self, bot):
+    def __init__(self, bot: commands.Bot):
         self.bot = bot
         self.gs = bot.get_cog("GlobalSettings")
         with open('resources/morse.json') as morse_file:
@@ -23,7 +23,7 @@ class MorseCog(commands.Cog):
             self.morse2ascii = {v: k for k, v in self.ascii2morse.items()}
 
     @commands.command(name="morse", aliases=['cw'])
-    async def _morse(self, ctx, *, msg: str):
+    async def _morse(self, ctx: commands.Context, *, msg: str):
         """Converts ASCII to international morse code."""
         with ctx.typing():
             result = ''
@@ -42,7 +42,7 @@ class MorseCog(commands.Cog):
         await ctx.send(embed=embed)
 
     @commands.command(name="unmorse", aliases=['demorse', 'uncw', 'decw'])
-    async def _unmorse(self, ctx, *, msg: str):
+    async def _unmorse(self, ctx: commands.Context, *, msg: str):
         '''Converts international morse code to ASCII.'''
         with ctx.typing():
             result = ''
@@ -65,15 +65,15 @@ class MorseCog(commands.Cog):
         await ctx.send(embed=embed)
 
     @commands.command(name="weight", aliases=["cwweight", 'cww'])
-    async def _weight(self, ctx, msg: str):
+    async def _weight(self, ctx: commands.Context, msg: str):
         '''Calculates the CW Weight of a callsign.'''
         with ctx.typing():
             msg = msg.upper()
             weight = 0
             for char in msg:
                 try:
-                    cwChar = self.ascii2morse[char].replace('-', '==')
-                    weight += len(cwChar) * 2 + 2
+                    cw_char = self.ascii2morse[char].replace('-', '==')
+                    weight += len(cw_char) * 2 + 2
                 except KeyError:
                     res = f'Unknown character {char} in callsign'
                     await ctx.send(res)
@@ -88,5 +88,5 @@ class MorseCog(commands.Cog):
         await ctx.send(embed=embed)
 
 
-def setup(bot):
+def setup(bot: commands.Bot):
     bot.add_cog(MorseCog(bot))
diff --git a/cogs/studycog.py b/cogs/studycog.py
index a76deb7..4c80103 100644
--- a/cogs/studycog.py
+++ b/cogs/studycog.py
@@ -7,23 +7,24 @@ This file is part of discord-qrmbot and is released under the terms of the GNU
 General Public License, version 2.
 """
 
+import random
+import json
+from datetime import datetime
+
 import discord
 import discord.ext.commands as commands
 
-import random
-import json
 import aiohttp
-from datetime import datetime
 
 
 class StudyCog(commands.Cog):
-    def __init__(self, bot):
+    def __init__(self, bot: commands.Bot):
         self.bot = bot
         self.gs = bot.get_cog("GlobalSettings")
         self.lastq = dict()
 
     @commands.command(name="rq", aliases=['randomq'])
-    async def _random_question(self, ctx, level: str = None):
+    async def _random_question(self, ctx: commands.Context, level: str = None):
         '''Gets a random question from the Technician, General, and/or Extra question pools.'''
         tech_pool = 'E2_2018'
         gen_pool = 'E3_2019'
@@ -45,12 +46,12 @@ class StudyCog(commands.Cog):
             if level in ['e', 'ae', 'extra']:
                 selected_pool = extra_pool
 
-            if (level is None) or (level == 'all'):  # no pool given or user wants all, so pick a random pool and use that
+            if (level is None) or (level == 'all'):  # no pool given or user wants all, so pick a random pool
                 selected_pool = random.choice([tech_pool, gen_pool, extra_pool])
             if (level is not None) and (selected_pool is None):  # unrecognized pool given by user
                 await ctx.send('The question pool you gave was unrecognized. ' +
-                              'There are many ways to call up certain question pools - try ?rq t, g, or e. ' +
-                              '(Note that only the US question pools are available).')
+                               'There are many ways to call up certain question pools - try ?rq t, g, or e. ' +
+                               '(Note that only the US question pools are available).')
                 return
 
             async with aiohttp.ClientSession() as session:
@@ -70,11 +71,11 @@ class StudyCog(commands.Cog):
             embed.set_footer(text=ctx.author.name,
                              icon_url=str(ctx.author.avatar_url))
             embed = embed.add_field(name='Question:', value=question['text'], inline=False)
-            embed = embed.add_field(name='Answers:', value=
-                                    '**A:** ' + question['answers']['A'] +
+            embed = embed.add_field(name='Answers:', value='**A:** ' + question['answers']['A'] +
                                     '\n**B:** ' + question['answers']['B'] +
                                     '\n**C:** ' + question['answers']['C'] +
-                                    '\n**D:** ' + question['answers']['D'], inline=False)
+                                    '\n**D:** ' + question['answers']['D'],
+                                    inline=False)
             embed = embed.add_field(name='Answer:', value='Type _?rqa_ for answer', inline=False)
             if 'image' in question:
                 image_url = f'https://hamstudy.org/_1330011/images/{selected_pool.split("_",1)[1]}/{question["image"]}'
@@ -83,7 +84,7 @@ class StudyCog(commands.Cog):
         await ctx.send(embed=embed)
 
     @commands.command(name="rqa")
-    async def _q_answer(self, ctx, ans: str = None):
+    async def _q_answer(self, ctx: commands.Context, ans: str = None):
         '''Returns the answer to question last asked (Optional argument: your answer).'''
         with ctx.typing():
             correct_ans = self.lastq[ctx.message.channel.id][1]
@@ -114,5 +115,5 @@ class StudyCog(commands.Cog):
         await ctx.send(embed=embed)
 
 
-def setup(bot):
+def setup(bot: commands.Bot):
     bot.add_cog(StudyCog(bot))
diff --git a/info.py b/info.py
index 26955d3..6ba9033 100644
--- a/info.py
+++ b/info.py
@@ -19,7 +19,7 @@ General Public License, version 2.
 """
 
 authors = ("@ClassAbbyAmplifier#2229", "@0x5c")
-description = """A description goes here."""
-license = "A license goes here."
-contributing = "Info on contributing goes here."
+description = """A bot with various useful ham radio-related functions, written in Python."""
+license = "Released under the GNU General Public License v2"
+contributing = "Check out the source on GitHub, contributions welcome: https://github.com/classabbyamp/discord-qrm-bot"
 release_timestamp = "not yet :P"
diff --git a/main.py b/main.py
index e9177b7..911307e 100644
--- a/main.py
+++ b/main.py
@@ -27,7 +27,7 @@ debug_mode = opt.debug  # Separate assignement in-case we define an override (te
 
 
 class GlobalSettings(commands.Cog):
-    def __init__(self, bot):
+    def __init__(self, bot: commands.Bot):
         self.bot = bot
 
         self.opt = opt
@@ -46,6 +46,7 @@ bot = commands.Bot(command_prefix=opt.prefix,
                    description=info.description,
                    help_command=commands.MinimalHelpCommand())
 
+
 # --- Helper functions ---
 
 async def add_react(msg: discord.Message, react: str):
@@ -60,16 +61,15 @@ async def add_react(msg: discord.Message, react: str):
 async def check_if_owner(ctx: commands.Context):
     if ctx.author.id in opt.owners_uids:
         return True
-    else:
-        await add_react(ctx.message, "❌")
-        return False
+    await add_react(ctx.message, "❌")
+    return False
 
 
 # --- Commands ---
 
 @bot.command(name="restart")
 @commands.check(check_if_owner)
-async def _restart_bot(ctx):
+async def _restart_bot(ctx: commands.Context):
     """Restarts the bot."""
     global exit_code
     await add_react(ctx.message, "✅")
@@ -79,7 +79,7 @@ async def _restart_bot(ctx):
 
 @bot.command(name="shutdown")
 @commands.check(check_if_owner)
-async def _shutdown_bot(ctx):
+async def _shutdown_bot(ctx: commands.Context):
     """Shuts down the bot."""
     global exit_code
     await add_react(ctx.message, "✅")