diff --git a/runtime/doc/help.txt b/runtime/doc/help.txt
index 3615875..71200a3 100644
--- a/runtime/doc/help.txt
+++ b/runtime/doc/help.txt
@@ -26,6 +26,7 @@
 		      Option			  '	   :help 'textwidth'
 		      Regular expression	  /	   :help /[
 		    See |help-summary| for more contexts and an explanation.
+		    See |notation| for an explanation of the help syntax.
 
   Search for help:  Type ":help word", then hit CTRL-D to see matching
 		    help entries for "word".