Update runtime files
diff --git a/runtime/doc/helphelp.txt b/runtime/doc/helphelp.txt
index ce73f8c..3f335d8 100644
--- a/runtime/doc/helphelp.txt
+++ b/runtime/doc/helphelp.txt
@@ -1,4 +1,4 @@
-*helphelp.txt* For Vim version 8.1. Last change: 2019 May 04
+*helphelp.txt* For Vim version 8.1. Last change: 2019 Oct 18
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -102,7 +102,11 @@
current file. See |help-translated|.
*:helpc* *:helpclose*
-:helpc[lose] Close one help window, if there is one.
+:helpc[lose] Close one help window, if there is one.
+ Vim will try to restore the window layout (including
+ cursor position) to the same layout it was before
+ opening the help window initially. This might cause
+ triggering several autocommands.
*:helpg* *:helpgrep*
:helpg[rep] {pattern}[@xx]