diff --git a/jt9.txt b/jt9.txt
index ef232e9ab..ddbd86bba 100644
--- a/jt9.txt
+++ b/jt9.txt
@@ -17,13 +17,13 @@ signal has continuous phase, and there are no key clicks.
 Parameters of five JT9 sub-modes are summarized in the following
 table, along with S/N thresholds measured by simulation on an AWGN
 channel.  Numbers following "JT9-" in the sub-mode names specify the
-T/R period in minutes.
+T/R sequence length in minutes.
 
 --------------------------------------------------------------------------
 Mode     nsps nsps2  df    tsym  BW   S/N*   Tdec Tfree Factors 
         12000  1500 (Hz)   (s)  (Hz)  (dB)   (s)   (s)  of nsps      nfft3
 --------------------------------------------------------------------------
-JT9-1    6912   864 1.736  0.58 15.6 -26.9   52.5  7.5 2^8 3^3        1024
+JT9-1    6912   864 1.736  0.58 15.6 -26.9   52.5  7.5 2^8 3^3        2048
 JT9-2   15360  1920 0.781  1.28  7.0 -30.2  112.3  7.7 2^10 3 5       2048
 JT9-5   40960  5120 0.293  3.41  2.6 -34.4  293.6  6.4 2^13 5         6144
 JT9-10  82944 10368 0.145  6.91  1.3 -37.5  591.0  9.0 2^10 3^4      12288
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 50e7e6239..454b5063e 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -1,4 +1,4 @@
-//---------------------------------------------------------------- MainWindow
+//--------------------------------------------------------------- MainWindow
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 #include "devsetup.h"