* picture-xtra.texi (Rectangles in Picture): Clarify the prefix

argument for `C-c C-k' (bug#7391).

2 files changed, 5 insertions, 1 deletions

diff --git a/doc/emacs/ChangeLog b/doc/emacs/ChangeLog
index c1da9a1078c..ca56d4f8042 100644
--- a/doc/emacs/ChangeLog
+++ b/doc/emacs/ChangeLog
@@ -1,5 +1,8 @@
 2011-07-02  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
+        * picture-xtra.texi (Rectangles in Picture): Clarify the prefix
+        argument for `C-c C-k' (bug#7391).
+
         * frames.texi (Fonts): Mention "C-u C-x =" to find out what font
         you're currently using (bug#8489).
 
diff --git a/doc/emacs/picture-xtra.texi b/doc/emacs/picture-xtra.texi
index 7e72fb0acb6..0dcfc7a9627 100644
--- a/doc/emacs/picture-xtra.texi
+++ b/doc/emacs/picture-xtra.texi
@@ -245,7 +245,8 @@ rectangle commands may also be useful.
 @table @kbd
 @item C-c C-k
 Clear out the region-rectangle with spaces
-(@code{picture-clear-rectangle}).  With argument, delete the text.
+(@code{picture-clear-rectangle}).  With a prefix argument, delete the
+text.
 @item C-c C-w @var{r}
 Similar, but save rectangle contents in register @var{r} first
 (@code{picture-clear-rectangle-to-register}).