updated for version 7.0012
diff --git a/runtime/doc/diff.txt b/runtime/doc/diff.txt
index 69b92d8..8a6b8d4 100644
--- a/runtime/doc/diff.txt
+++ b/runtime/doc/diff.txt
@@ -1,4 +1,4 @@
-*diff.txt* For Vim version 7.0aa. Last change: 2004 Jul 11
+*diff.txt* For Vim version 7.0aa. Last change: 2004 Jul 20
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -344,6 +344,10 @@
If it's not clear what the problem is set the 'verbose' option to see more
messages.
+The self-installing Vim includes a diff program. If you don't have it you
+might want to download a diff.exe. For example from
+http://jlb.twu.net/code/unixkit.php.
+
USING PATCHES *diff-patchexpr*