Updated runtime files.
diff --git a/runtime/doc/vi_diff.txt b/runtime/doc/vi_diff.txt
index f35cc02..45fe7de 100644
--- a/runtime/doc/vi_diff.txt
+++ b/runtime/doc/vi_diff.txt
@@ -1,4 +1,4 @@
-*vi_diff.txt* For Vim version 7.4. Last change: 2012 Aug 08
+*vi_diff.txt* For Vim version 7.4. Last change: 2013 Aug 22
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -150,7 +150,7 @@
Multi level undo. |undo|
'u' goes backward in time, 'CTRL-R' goes forward again. Set option
'undolevels' to the number of changes to be remembered (default 1000).
- Set 'undolevels' to 0 for a vi-compatible one level undo. Set it to
+ Set 'undolevels' to 0 for a Vi-compatible one level undo. Set it to
-1 for no undo at all.
When all changes in a buffer have been undone, the buffer is not
considered changed anymore. You can exit it with :q, without <!>.