diff --git a/runtime/syntax/help.vim b/runtime/syntax/help.vim
index a4c34cd..2516967 100644
--- a/runtime/syntax/help.vim
+++ b/runtime/syntax/help.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:	Vim help file
 " Maintainer:	Bram Moolenaar (Bram@vim.org)
-" Last Change:	2020 Jul 28
+" Last Change:	2021 Jun 13
 
 " Quit when a (custom) syntax file was already loaded
 if exists("b:current_syntax")
@@ -76,6 +76,7 @@
 syn match helpSpecial		"\[count]"
 syn match helpSpecial		"\[offset]"
 syn match helpSpecial		"\[cmd]"
+syn match helpNormal		"vim9\[cmd]"
 syn match helpSpecial		"\[num]"
 syn match helpSpecial		"\[+num]"
 syn match helpSpecial		"\[-num]"