diff --git a/runtime/doc/os_win32.txt b/runtime/doc/os_win32.txt
index 7f37845..1017d4d 100644
--- a/runtime/doc/os_win32.txt
+++ b/runtime/doc/os_win32.txt
@@ -230,7 +230,7 @@
    SCO declares this behavior required for backwards compatibility with 16bit
    DOS/Windows environments.  The two commands below demonstrate the behavior:
 >
-	echo Hello > file.bat~ 
+	echo Hello > file.bat~
 	dir > file.bat
 <
    The result is that the "dir" command updates the "file.bat~" file, instead