diff --git a/map65/mainwindow.cpp b/map65/mainwindow.cpp
index acee7cc89..947f25969 100644
--- a/map65/mainwindow.cpp
+++ b/map65/mainwindow.cpp
@@ -4,6 +4,7 @@
 #include <QDir>
 #include <QSettings>
 #include <QTimer>
+#include <QToolTip>
 #include "revision_utils.hpp"
 #include "qt_helpers.hpp"
 #include "SettingsGroup.hpp"
@@ -994,7 +995,7 @@ void MainWindow::on_actionQSG_Q65_triggered()
 
 void MainWindow::on_actionQSG_MAP65_v3_triggered()
 {
-  QDesktopServices::openUrl (QUrl {"https://physics.princeton.edu/pulsar/k1jt/MAP65_3.0_Quick_Start.pdf"});
+  QDesktopServices::openUrl (QUrl {"https://physics.princeton.edu/pulsar/k1jt/WSJTX_2.5.0_MAP65_3.0_Quick_Start.pdf"});
 }
 
 void MainWindow::on_actionQ65_Sensitivity_in_MAP65_3_0_triggered()
diff --git a/map65/mainwindow.ui b/map65/mainwindow.ui
index b74712bcd..29aac7e39 100644
--- a/map65/mainwindow.ui
+++ b/map65/mainwindow.ui
@@ -576,6 +576,9 @@ p, li { white-space: pre-wrap; }
           </item>
           <item>
            <widget class="QSpinBox" name="sbMaxDrift">
+            <property name="toolTip">
+             <string>Maximum drift rate in units of symbol rate per transmissiion.</string>
+            </property>
             <property name="alignment">
              <set>Qt::AlignCenter</set>
             </property>
@@ -1687,7 +1690,7 @@ p, li { white-space: pre-wrap; }
   </action>
   <action name="actionQSG_MAP65_v3">
    <property name="text">
-    <string>Quick-Start Guide to MAP65 3.0 and WSJT-X 2.5.0</string>
+    <string>Quick-Start Guide to WSJT-X 2.5.0 and MAP65 3.0</string>
    </property>
   </action>
   <action name="actionQ65_Sensitivity_in_MAP65_3_0">
diff --git a/widgets/mainwindow.cpp b/widgets/mainwindow.cpp
index 33fc871f4..42f401bb1 100644
--- a/widgets/mainwindow.cpp
+++ b/widgets/mainwindow.cpp
@@ -2515,6 +2515,12 @@ void MainWindow::on_actionQSG_Q65_triggered()
   QDesktopServices::openUrl (QUrl {"https://physics.princeton.edu/pulsar/k1jt/Q65_Quick_Start.pdf"});
 }
 
+void MainWindow::on_actionQSG_X250_M3()
+{
+  QDesktopServices::openUrl (QUrl {"https://physics.princeton.edu/pulsar/k1jt/WSJTX_2.5.0_MAP65_3.0_Quick_Start.pdf"});
+
+}
+
 void MainWindow::on_actionOnline_User_Guide_triggered()      //Display manual
 {
 #if defined (CMAKE_BUILD)
diff --git a/widgets/mainwindow.h b/widgets/mainwindow.h
index cdd67da70..eed5936f9 100644
--- a/widgets/mainwindow.h
+++ b/widgets/mainwindow.h
@@ -157,6 +157,7 @@ private slots:
   void on_actionFT8_DXpedition_Mode_User_Guide_triggered();
   void on_actionQSG_FST4_triggered();
   void on_actionQSG_Q65_triggered();
+  void on_actionQSG_X250_M3();
   void on_actionOnline_User_Guide_triggered();
   void on_actionLocal_User_Guide_triggered();
   void on_actionWide_Waterfall_triggered();
diff --git a/widgets/mainwindow.ui b/widgets/mainwindow.ui
index dd85fbc84..8f787d5ae 100644
--- a/widgets/mainwindow.ui
+++ b/widgets/mainwindow.ui
@@ -1679,6 +1679,9 @@ When not checked you can view the calibration results.</string>
                     </item>
                     <item>
                      <widget class="QSpinBox" name="sbMaxDrift">
+                      <property name="toolTip">
+                       <string>Maximum drift rate in units of symbol rate per transmission.</string>
+                      </property>
                       <property name="prefix">
                        <string>Max Drift  </string>
                       </property>
@@ -2889,6 +2892,7 @@ Double-click to reset to the standard 73 message</string>
     <addaction name="actionFT8_DXpedition_Mode_User_Guide"/>
     <addaction name="actionQSG_FST4"/>
     <addaction name="actionQSG_Q65"/>
+    <addaction name="actionQSG_X250_M3"/>
     <addaction name="download_samples_action"/>
     <addaction name="separator"/>
     <addaction name="actionKeyboard_shortcuts"/>
@@ -3420,6 +3424,11 @@ Double-click to reset to the standard 73 message</string>
     <string>Auto Clear Avg after decode</string>
    </property>
   </action>
+  <action name="actionQSG_X250_M3">
+   <property name="text">
+    <string>Quick-Start Guide to WSJT-X 2.5.0 and MAP65 3.0</string>
+   </property>
+  </action>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
  <customwidgets>