(revert-buffer-function): Doc fix.

diff --git a/lisp/files.el b/lisp/files.el
index 8982b4fd39612e3a773a14041c01c73d3ea254dc..2ccfa29d1355f301f12e48f851cf6f5224960e9c 100644 (file)
--- a/lisp/files.el
+++ b/lisp/files.el
@@ -1811,7 +1811,9 @@ to create parent directories if they don't exist."
 \f
 (put 'revert-buffer-function 'permanent-local t)
 (defvar revert-buffer-function nil
-  "Function to use to revert this buffer, or nil to do the default.")
+  "Function to use to revert this buffer, or nil to do the default.
+The function receives two arguments IGNORE-AUTO and NOCONFIRM,
+which are the arguments that `revert-buffer' received.")
 
 (put 'revert-buffer-insert-file-contents-function 'permanent-local t)
 (defvar revert-buffer-insert-file-contents-function nil