RCB-597: fix doc

Author: Adam Soos

api/src/main/java/com/basistech/rosette/api/HttpRosetteAPI.java

@@ -619,7 +619,7 @@ private <T extends Object> T getResponse(HttpResponse httpResponse, Class<T> cla
      * @param endpoint the endpoint to which the request is sent to
      * @param request the request object
      * @param responseClass Response's class
-     * @return RequestThread which when started sends the predefined request through this http client
+     * @return RosetteRequest which when started sends the predefined request through this http client
      */
     public RosetteRequest createRosetteRequest(String endpoint,
                                                Request request,