diff --git a/libm65/decode1a.f b/libm65/decode1a.f
index 7e7e64a1e..99ac6d9dc 100644
--- a/libm65/decode1a.f
+++ b/libm65/decode1a.f
@@ -101,7 +101,7 @@
 !  submodes B and C).
 
       nsym=126
-      nfft=512/mode65
+      nfft=512/(nfast*mode65)
       j=(dt00+dtbest+2.685)*1378.125 + joff
       if(j.lt.0) j=0
 
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 37d58b018..acc8b985a 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -1,4 +1,4 @@
-//--------------------------------------------------------------- MainWindow
+//-------------------------------------------------------------- MainWindow
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 #include "devsetup.h"