diff --git a/runtime/doc/sign.txt b/runtime/doc/sign.txt
index e66bbcb..093519e 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 Sep 06
+*sign.txt*      For Vim version 8.1.  Last change: 2019 Nov 12
 
 
 		  VIM REFERENCE MANUAL    by Gordon Prieur
@@ -48,8 +48,8 @@
 characters to display them in.  When the last sign is unplaced the column
 disappears again.  This behavior can be changed with the 'signcolumn' option.
 
-The color of the column is set with the SignColumn group |hl-SignColumn|.
-Example to set the color: >
+The color of the column is set with the SignColumn highlight group
+|hl-SignColumn|.  Example to set the color: >
 
 	:highlight SignColumn guibg=darkgrey
 <
@@ -71,6 +71,8 @@
 sign group allows Vim plugins to use unique signs without interfering with
 other plugins using signs.
 
+The group name "popupmenu" is used by popup windows where 'cursorline' is set.
+
 							*sign-priority*
 Each placed sign is assigned a priority value. When multiple signs are placed
 on the same line, the attributes of the sign with the highest priority is used