--- a/runtime/doc/change.txt
+++ b/runtime/doc/change.txt
@@ -1,4 +1,4 @@
-*change.txt*    For Vim version 7.4.  Last change: 2013 Jul 17
+*change.txt*    For Vim version 7.4.  Last change: 2013 Aug 25
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -1126,6 +1126,8 @@ less than one line (the small delete reg
 made for the delete operator with these movement commands: |%|, |(|, |)|, |`|,
 |/|, |?|, |n|, |N|, |{| and |}|.  Register "1 is always used then (this is Vi
 compatible).  The "- register is used as well if the delete is within a line.
+Note that these character may be mapped.  E.g. |%| is mapped by the matchit
+plugin.
    With each successive deletion or change, Vim shifts the previous contents
 of register 1 into register 2, 2 into 3, and so forth, losing the previous
 contents of register 9.