diff --git a/distrib/msw/copybase.bat b/distrib/msw/copybase.bat
index d7681f1023..4aef8241f1 100755
--- a/distrib/msw/copybase.bat
+++ b/distrib/msw/copybase.bat
@@ -25,7 +25,8 @@ mkdir %DEST%\lib
 chdir %WXWIN%
 
 rem Copy the files to the root directory
-
+rem
+rem "/q" is 4NT-specific, remove it if you're using DOS
 copy /q configure.in %DEST%
 copy /q configure %DEST%
 copy /q wxwin.m4 %DEST%