diff --git a/src/net/net.go b/src/net/net.go
index b9a78266b5..4cf122475f 100644
--- a/src/net/net.go
+++ b/src/net/net.go
@@ -108,7 +108,7 @@ func init() {
 // and meaning of the strings is up to the implementation.
 type Addr interface {
 	Network() string // name of the network (for example, "tcp", "udp")
-	String() string  // string form of address (for example, "127.0.0.1:25", "[2001:db8::1]:80")
+	String() string  // string form of address (for example, "192.0.2.1:25", "[2001:db8::1]:80")
 }
 
 // Conn is a generic stream-oriented network connection.