Update runtime files.
diff --git a/runtime/doc/usr_41.txt b/runtime/doc/usr_41.txt
index c13a0cb..bafdc54 100644
--- a/runtime/doc/usr_41.txt
+++ b/runtime/doc/usr_41.txt
@@ -1,4 +1,4 @@
-*usr_41.txt*	For Vim version 8.0.  Last change: 2017 Oct 15
+*usr_41.txt*	For Vim version 8.0.  Last change: 2017 Nov 19
 
 		     VIM USER MANUAL - by Bram Moolenaar
 
@@ -886,6 +886,7 @@
 	getwinposx()		X position of the GUI Vim window
 	getwinposy()		Y position of the GUI Vim window
 	balloon_show()		set the balloon content
+	balloon_split()		split a message for a balloon
 
 Vim server:					*server-functions*
 	serverlist()		return the list of server names