Clarify comment in decoder state.
@@ -285,7 +285,8 @@ impl Decoder for Codec {
}
// Now that we know we have the full body, split off the body,
- // and reset the decoder state for the next message.
+ // and reset the decoder state for the next message. Otherwise
+ // we will attempt to read the next header as the current body.
let body = src.split_to(body_len);
self.state = DecodeState::Head;
