(format-alist): Doc fix. Suggested by Alex Schroeder <alex@gnu.org>.

diff --git a/lisp/format.el b/lisp/format.el
index c1919c24e13e955aa5c07da63b3f96e345dd8e22..8309ec958bb4e6c38c45c3ae4426574458b59cc9 100644 (file)
--- a/lisp/format.el
+++ b/lisp/format.el
@@ -138,7 +138,9 @@ MODIFY, if non-nil, means the TO-FN wants to modify the region.  If nil,
         TO-FN will not make any changes but will instead return a list of
         annotations.
 
-MODE-FN, if specified, is called when visiting a file with that format.")
+MODE-FN, if specified, is called when visiting a file with that format.
+         It is called with a single positive argument, on the assumption
+         that it turns on some Emacs mode.")
 
 ;;; Basic Functions (called from Lisp)