diff --git a/help2rst.py b/help2rst.py
index 4beda7b0..2c9c46c0 100755
--- a/help2rst.py
+++ b/help2rst.py
@@ -61,6 +61,8 @@ def help2man(infile):
         description.append(line)
 
     print '''
+.. GENERATED by help2rst.py.  DO NOT EDIT DIRECTLY.
+
 .. program:: {cmdname}
 
 {cmdname}(1)