diff --git a/runtime/doc/sign.txt b/runtime/doc/sign.txt
index 601914f..e66bbcb 100644
--- a/runtime/doc/sign.txt
+++ b/runtime/doc/sign.txt
@@ -1,4 +1,4 @@
-*sign.txt*      For Vim version 8.1.  Last change: 2019 Jul 21
+*sign.txt*      For Vim version 8.1.  Last change: 2019 Sep 06
 
 
 		  VIM REFERENCE MANUAL    by Gordon Prieur