diff --git a/monkey/monkey_island/cc/event_queue/pypubsub_island_event_queue.py b/monkey/monkey_island/cc/event_queue/pypubsub_island_event_queue.py
index 8f7759072..b2259ce3e 100644
--- a/monkey/monkey_island/cc/event_queue/pypubsub_island_event_queue.py
+++ b/monkey/monkey_island/cc/event_queue/pypubsub_island_event_queue.py
@@ -10,6 +10,10 @@ logger = logging.getLogger(__name__)
 
 
 class PyPubSubIslandEventQueue(IIslandEventQueue):
+    """
+    Implements IIslandEventQueue using pypubsub
+    """
+
     def __init__(self, pypubsub_publisher: Publisher):
         self._pypubsub_publisher_wrapper = PyPubSubPublisherWrapper(pypubsub_publisher)