`image-mode-fit-frame' doc fix

* image-mode.el (image-mode-fit-frame): Mention that it's a toggle
command

Fixes: debbugs:7729

2 files changed, 4 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 088323ee871..66c0e80e23a 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,8 @@
 2011-07-14  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
+        * image-mode.el (image-mode-fit-frame): Mention that it's a toggle
+        command (bug#7729).
+
         * rect.el (apply-on-rectangle): Return the point after the last
         operation.
         (string-rectangle): Go to the point after the last operation
diff --git a/lisp/image-mode.el b/lisp/image-mode.el
index 7082cfc57ad..f75f4e20219 100644
--- a/lisp/image-mode.el
+++ b/lisp/image-mode.el
@@ -271,7 +271,7 @@ stopping if the top or bottom edge of the image is reached."
 ;; Adjust frame and image size.
 
 (defun image-mode-fit-frame ()
-  "Fit the frame to the current image.
+  "Toggle whether to fit the frame to the current image.
 This function assumes the current frame has only one window."
   ;; FIXME: This does not take into account decorations like mode-line,
   ;; minibuffer, header-line, ...