diff --git a/.verb.md b/.verb.md
index d09e1be..dfe86c9 100644
--- a/.verb.md
+++ b/.verb.md
@@ -57,6 +57,9 @@ kindOf(/foo/);
 kindOf(new RegExp('foo'));
 //=> 'regexp'
 
+kindOf(new Error('error'));
+//=> 'error'
+
 kindOf(function () {});
 //=> 'function'