1 files changed, 4 insertions, 0 deletions

diff --git a/src/editfns.c b/src/editfns.c
index dead48c1a62..1686fbf668b 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -908,6 +908,10 @@ even in case of abnormal exit (throw or error).
 If you only want to save the current buffer but not point,
 then just use `save-current-buffer', or even `with-current-buffer'.
 
+Before Emacs 25.1, `save-excursion' used to save the mark state.
+To save the marker state as well as the point and buffer, use
+`save-mark-and-excursion'.
+
 usage: (save-excursion &rest BODY)  */)
   (Lisp_Object args)
 {