diff --git a/script/add-grammar b/script/add-grammar
index 779dd62b..e72fe89b 100755
--- a/script/add-grammar
+++ b/script/add-grammar
@@ -44,7 +44,7 @@ end
 
 
 usage = """Usage:
-  #{$0} [--replace grammar] url
+  #{$0} [-v|--verbose] [--replace grammar] url
 Examples:
   #{$0} https://github.com/Alhadis/language-roff
   #{$0} --replace sublime-apl https://github.com/Alhadis/language-apl