diff --git a/src/robot_interface/endpoints/video_sender.py b/src/robot_interface/endpoints/video_sender.py
index 16ea498..9fa1132 100644
--- a/src/robot_interface/endpoints/video_sender.py
+++ b/src/robot_interface/endpoints/video_sender.py
@@ -49,7 +49,7 @@ class VideoSender(SocketBase):
         :type vid_service: Object (Qi service object)
 
         :param vid_stream_name: The name of a camera subscription on the video service object vid_service
-        :type vid_stream_name: String
+        :type vid_stream_name: str
         """
         while not state.exit_event.is_set():
             try: