diff --git a/net/dns/resolver/tsdns.go b/net/dns/resolver/tsdns.go
index 2680e0c21..632131f93 100644
--- a/net/dns/resolver/tsdns.go
+++ b/net/dns/resolver/tsdns.go
@@ -2,7 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// Package resolver a DNS resolver.
+// Package resolver implements a stub DNS resolver that can also serve
+// records out of an internal local zone.
 package resolver
 
 import (