diff --git a/builtin_metatables.moon b/builtin_metatables.moon
index bc3ec7c..eb7e27e 100644
--- a/builtin_metatables.moon
+++ b/builtin_metatables.moon
@@ -1,4 +1,4 @@
--- This file defines some methods on Lua numbers
+-- This file defines some methods on Lua numbers, bools, actions, nil, and coroutines
 require "text"
 
 number_mt =