Fix all the typos
diff --git a/xos/helloworldservice_complete/models.py b/xos/helloworldservice_complete/models.py
index f0f42bd..0349e8f 100644
--- a/xos/helloworldservice_complete/models.py
+++ b/xos/helloworldservice_complete/models.py
@@ -11,7 +11,7 @@
 
     class Meta:
         # When the proxy field is set to True the model is represented as
-        # it's superclass in the database, but we can still change the pyhton
+        # it's superclass in the database, but we can still change the python
         # behavior. In this case HelloWorldServiceComplete is a Service in the
         # database.
         proxy = True