Update runtime files
diff --git a/runtime/doc/windows.txt b/runtime/doc/windows.txt
index be26841..a8797a1 100644
--- a/runtime/doc/windows.txt
+++ b/runtime/doc/windows.txt
@@ -1,4 +1,4 @@
-*windows.txt* For Vim version 8.0. Last change: 2017 Sep 08
+*windows.txt* For Vim version 8.0. Last change: 2017 Sep 25
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -619,7 +619,8 @@
41. :buffers list of buffers
The meaning of [N] depends on the command:
- [N] is number of buffers to go forward/backward on ?2, ?3, and ?4
+ [N] is the number of buffers to go forward/backward on 2/12/22/32,
+ 3/13/23/33, and 4/14/24/34
[N] is an argument number, defaulting to current argument, for 1 and 21
[N] is a buffer number, defaulting to current buffer, for 11 and 31
[N] is a count for 19 and 39