diff --git a/src/emuvim/examples/profiling.py b/src/emuvim/examples/profiling.py
index d7f96a4..daac301 100644
--- a/src/emuvim/examples/profiling.py
+++ b/src/emuvim/examples/profiling.py
@@ -67,6 +67,9 @@
 
     stop_now = False
 
+    """
+     Set up a simple topology and start it
+    """
     def __init__(self):
         GracefulKiller(self)
         # create topology
@@ -94,6 +97,9 @@
         self.net.stop()
         LOG.info("Stopped topology")
 
+    """
+     Set stop value to stop the topology
+    """
     def stop_it(self):
         self.stop_now = True