diff --git a/runtime/doc/index.txt b/runtime/doc/index.txt
index 5ee7351..6c9f456 100644
--- a/runtime/doc/index.txt
+++ b/runtime/doc/index.txt
@@ -1,4 +1,4 @@
-*index.txt*     For Vim version 7.4.  Last change: 2016 Aug 16
+*index.txt*     For Vim version 7.4.  Last change: 2016 Aug 24
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -1239,6 +1239,7 @@
 |:file|		:f[ile]		show or set the current file name
 |:files|	:files		list all files in the buffer list
 |:filetype|	:filet[ype]	switch file type detection on/off
+|:filter|	:filt[er]	filter output of following command
 |:find|		:fin[d]		find file in 'path' and edit it
 |:finally|	:fina[lly]	part of a :try command
 |:finish|	:fini[sh]	quit sourcing a Vim script