Update runtime files
diff --git a/runtime/doc/insert.txt b/runtime/doc/insert.txt
index 82691e8..47c40a2 100644
--- a/runtime/doc/insert.txt
+++ b/runtime/doc/insert.txt
@@ -1,4 +1,4 @@
-*insert.txt*    For Vim version 8.1.  Last change: 2019 Aug 21
+*insert.txt*    For Vim version 8.1.  Last change: 2019 Sep 08
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -1124,7 +1124,7 @@
 of values:
 	height		maximum height of the popup
 	width		maximum width of the popup
-	highlight	highlight group of the popup (default is Pmenu)
+	highlight	highlight group of the popup (default is PmenuSel)
 	align		"item" (default) or "menu"
 	border		"on" (default) or "off"
 Example: >