`diff' doc clarification

* vc/diff.el (diff): Clarify the order the file names are read
(bug#7111).

2 files changed, 7 insertions, 4 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 068f1f6cb47..22574223e74 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,8 @@
 2011-07-14  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
+        * vc/diff.el (diff): Clarify the order the file names are read
+        (bug#7111).
+
         * mouse.el (mouse-set-region): Link to `mouse-drag-copy-region' in
         the doc string (bug#7015).
 
diff --git a/lisp/vc/diff.el b/lisp/vc/diff.el
index 9655ce64a99..fd24558da6a 100644
--- a/lisp/vc/diff.el
+++ b/lisp/vc/diff.el
@@ -76,10 +76,10 @@ delete the temporary files so named."
 ;;;###autoload
 (defun diff (old new &optional switches no-async)
   "Find and display the differences between OLD and NEW files.
-When called interactively, read OLD and NEW using the minibuffer;
-the default for NEW is the current buffer's file name, and the
-default for OLD is a backup file for NEW, if one exists.
-If NO-ASYNC is non-nil, call diff synchronously.
+When called interactively, read NEW, then OLD, using the
+minibuffer.  The default for NEW is the current buffer's file
+name, and the default for OLD is a backup file for NEW, if one
+exists.  If NO-ASYNC is non-nil, call diff synchronously.
 
 When called interactively with a prefix argument, prompt
 interactively for diff switches.  Otherwise, the switches