diff --git a/statuscode.go b/statuscode.go
index 498437d0a1f5c5e569c601b174acaee1a3acb203..558610d4a9bf9d571d6efd5a34315c649b1b97ff 100644
--- a/statuscode.go
+++ b/statuscode.go
@@ -43,7 +43,7 @@ const (
 // CloseError represents a WebSocket close frame.
 // It is returned by Conn's methods when a WebSocket close frame is received from
 // the peer.
-// You will need to use https://golang.org/x/xerrors to check for this error.
+// You will need to use https://godoc.org/golang.org/x/xerrors#As to check for this error.
 type CloseError struct {
 	Code   StatusCode
 	Reason string