diff --git a/examples/mqtt_arbitrary_buffer/python_subscriber/subscriber.py b/examples/mqtt_arbitrary_buffer/python_subscriber/subscriber.py
index 0a5cc06..170de2d 100644
--- a/examples/mqtt_arbitrary_buffer/python_subscriber/subscriber.py
+++ b/examples/mqtt_arbitrary_buffer/python_subscriber/subscriber.py
@@ -85,11 +85,16 @@ def parseMsg(payload):
         https://docs.python.org/2/library/struct.html
     '''
 
-    charAry, val1, val2, val3 = parsedStruct.unpack_from(arr)
+    charAry, val1, val2, val3 = parsedStruct.unpack_from(arr)  #convert byte array to formatted struct
     charAry = charAry.rstrip(' \t\r\n\0') #remove trailing white space from buffer
     return charAry, val1, val2, val3
 
 
+
+
+
+
+
 def main():
     """Wait for incoming message published by Adafruit MQTT client"""
     global args