diff --git a/Doc/myformat.sty b/Doc/myformat.sty
index 42bbb7ad654..c0610ebbf16 100644
--- a/Doc/myformat.sty
+++ b/Doc/myformat.sty
@@ -38,7 +38,8 @@
 	\noindent
 }
 
-% Underscores are not magic throughout the Python documentation
+% Underscores are not magic throughout the Python documentation.
+% This still only gives the right effect in the tt font!!!
 \catcode`_=12
 
 % Dummy \cbstart and \cbend so I can leave changebars in...