diff --git a/src/pkg/crypto/dsa/dsa.go b/src/pkg/crypto/dsa/dsa.go
index f7c4783179..05766a2f13 100644
--- a/src/pkg/crypto/dsa/dsa.go
+++ b/src/pkg/crypto/dsa/dsa.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// Package dsa implements the Digital Signature Algorithm, as defined in FIPS 186-3
+// Package dsa implements the Digital Signature Algorithm, as defined in FIPS 186-3.
 package dsa
 
 import (