diff --git a/try/bin/honk.hoon b/try/bin/honk.hoon
index a33b26f22..52a47a91e 100644
--- a/try/bin/honk.hoon
+++ b/try/bin/honk.hoon
@@ -1,5 +1,5 @@
 |=  *          ::  To see what Hoon compiles into
-|=  ~          ::
+|=  [a=* ~]    ::
 :_  ~  :_  ~   ::  Preserve this mysterious boilerplate square
 :-  %$         ::
 !>  !=         ::