diff --git a/lib/utils/co.js b/lib/utils/co.js
index 8b24a1a0..84f3f767 100644
--- a/lib/utils/co.js
+++ b/lib/utils/co.js
@@ -1,5 +1,5 @@
 /*!
- * spawn.js - promise and generator control flow for bcoin
+ * co.js - promise and generator control flow for bcoin
  * Originally based on yoursnetwork's "asink" module.
  * Copyright (c) 2014-2016, Christopher Jeffrey (MIT License).
  * https://github.com/bcoin-org/bcoin