Updated runtime files.
diff --git a/runtime/doc/diff.txt b/runtime/doc/diff.txt
index beb0137..db7e4e8 100644
--- a/runtime/doc/diff.txt
+++ b/runtime/doc/diff.txt
@@ -1,4 +1,4 @@
-*diff.txt* For Vim version 7.4. Last change: 2015 Jul 03
+*diff.txt* For Vim version 7.4. Last change: 2015 Nov 01
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -182,8 +182,8 @@
buffer. If you don't want a buffer to remain used for the diff do ":set
nodiff" before hiding it.
- *:diffu* *:diffupdate*
-:diffu[pdate][!] Update the diff highlighting and folds.
+ *:dif* *:diffupdate*
+:dif[fupdate][!] Update the diff highlighting and folds.
Vim attempts to keep the differences updated when you make changes to the
text. This mostly takes care of inserted and deleted lines. Changes within a