(define-obsolete-face-alias): Doc fix.

lisp/ChangeLog

 2009-10-06  Glenn Morris  <rgm@gnu.org>
 
+	* emacs-lisp/byte-run.el (define-obsolete-face-alias): Doc fix.
+
 	* emacs-lisp/autoload.el (autoload-excludes): New variable.
 	(autoload-generate-file-autoloads): Skip files in autoload-excludes.
 	(batch-update-autoloads): Process a string value of autoload-excludes,

lisp/emacs-lisp/byte-run.el

@@ -210,8 +210,8 @@ Info node `(elisp)Variable Aliases' for more details."
 ;; It only really affects M-x describe-face output.
 (defmacro define-obsolete-face-alias (obsolete-face current-face when)
   "Make OBSOLETE-FACE a face alias for CURRENT-FACE and mark it obsolete.
-The optional string WHEN gives the Emacs version where OBSOLETE-FACE
-became obsolete."
+The string WHEN gives the Emacs version where OBSOLETE-FACE became
+obsolete."
   `(progn
      (put ,obsolete-face 'face-alias ,current-face)
      ;; Used by M-x describe-face.