diff --git a/HISTORY.md b/HISTORY.md
index d0321457..b1e08d29 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -442,7 +442,7 @@ New Context Methods:
 - `Context.StopWithError(int, error)` stops the handlers chain, writes thre status code and the error's message
 - `Context.StopWithJSON(int, interface{})` stops the handlers chain, writes the status code and sends a JSON response
 - `Context.StopWithProblem(int, iris.Problem)` stops the handlers, writes the status code and sends an `application/problem+json` response
-- `Context.Protobuf(proto.Message)` sends protobuf to the client
+- `Context.Protobuf(proto.Message)` sends protobuf to the client (note that the `Context.JSON` is able to send protobuf as JSON)
 - `Context.MsgPack(interface{})` sends msgpack format data to the client
 - `Context.ReadProtobuf(ptr)` binds request body to a proto message
 - `Context.ReadJSONProtobuf(ptr, ...options)` binds JSON request body to a proto message
diff --git a/_examples/response-writer/protobuf/go.mod b/_examples/response-writer/protobuf/go.mod
new file mode 100644
index 00000000..8621348f
--- /dev/null
+++ b/_examples/response-writer/protobuf/go.mod
@@ -0,0 +1,3 @@
+module app
+
+go 1.14