diff --git a/weed/pb/proto_read_write_test.go b/weed/pb/proto_read_write_test.go
index 4c53ffa2f..79f0785b2 100644
--- a/weed/pb/proto_read_write_test.go
+++ b/weed/pb/proto_read_write_test.go
@@ -35,7 +35,7 @@ func TestJsonpMarshalUnmarshal(t *testing.T) {
 
 	tv1 := &volume_server_pb.TieredVolume{}
 	if err := jsonpb.UnmarshalString(rawJson, tv1); err != nil {
-		fmt.Printf("unmarshal eror: %v\n", err)
+		fmt.Printf("unmarshal error: %v\n", err)
 	}
 
 	fmt.Printf("unmarshalled: %+v\n", tv1)