diff --git a/runtime/doc/sign.txt b/runtime/doc/sign.txt
index 1e88a62..46cb9b5 100644
--- a/runtime/doc/sign.txt
+++ b/runtime/doc/sign.txt
@@ -1,4 +1,4 @@
-*sign.txt*      For Vim version 8.2.  Last change: 2019 Nov 30
+*sign.txt*      For Vim version 8.2.  Last change: 2020 Aug 31
 
 
 		  VIM REFERENCE MANUAL    by Gordon Prieur
@@ -85,6 +85,10 @@
 next line (or the last line of the buffer, if there is no next line).  When
 the delete is undone the sign does not move back.
 
+When a sign with line highlighting and 'cursorline' highlighting are both
+present, if the priority is 100 or more then the sign highlighting takes
+precedence, otherwise the 'cursorline' highlighting.
+
 ==============================================================================
 2. Commands					*sign-commands* *:sig* *:sign*