diff --git a/runtime/doc/develop.txt b/runtime/doc/develop.txt
index 0a4c03a..51d653b 100644
--- a/runtime/doc/develop.txt
+++ b/runtime/doc/develop.txt
@@ -1,4 +1,4 @@
-*develop.txt*   For Vim version 7.3.  Last change: 2012 Jan 10
+*develop.txt*   For Vim version 7.3.  Last change: 2013 Apr 27
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -20,6 +20,7 @@
 Vim is open source software.  Everybody is encouraged to contribute to help
 improving Vim.  For sending patches a context diff "diff -c" is preferred.
 Also see http://www.vim.org/tips/tip.php?tip_id=618.
+Also see http://vim.wikia.com/wiki/How_to_make_and_submit_a_patch.
 
 ==============================================================================
 1. Design goals						*design-goals*