(make-obsolete): Doc fix.

1 files changed, 2 insertions, 1 deletions

diff --git a/lisp/emacs-lisp/byte-run.el b/lisp/emacs-lisp/byte-run.el
index 33a3f06d4e6..855111b9f9b 100644
--- a/lisp/emacs-lisp/byte-run.el
+++ b/lisp/emacs-lisp/byte-run.el
@@ -106,7 +106,8 @@ The return value of this function is not used."
 (defun make-obsolete (obsolete-name current-name &optional when)
   "Make the byte-compiler warn that OBSOLETE-NAME is obsolete.
 The warning will say that CURRENT-NAME should be used instead.
-If CURRENT-NAME is a string, that is the `use instead' message.
+If CURRENT-NAME is a string, that is the `use instead' message
+\(it should end with a period, and not start with a capital).
 If provided, WHEN should be a string indicating when the function
 was first made obsolete, for example a date or a release number."
   (interactive "aMake function obsolete: \nxObsoletion replacement: ")