diff --git a/monkey/monkey_island/cc/models/__init__.py b/monkey/monkey_island/cc/models/__init__.py
index 673b6454a..8db8c6f23 100644
--- a/monkey/monkey_island/cc/models/__init__.py
+++ b/monkey/monkey_island/cc/models/__init__.py
@@ -1,14 +1,17 @@
 from mongoengine import connect
 
-# set up the DB connection.
 from monkey_island.cc.environment.environment import env
 
+# This section sets up the DB connection according to the environment.
+#   If testing, use mongomock which only emulates mongo. for more information, see
+#   http://docs.mongoengine.org/guide/mongomock.html .
+#   Otherwise, use an actual mongod instance with connection parameters supplied by env.
 if env.testing:
     connect('mongoenginetest', host='mongomock://localhost')
 else:
     connect(db=env.mongo_db_name, host=env.mongo_db_host, port=env.mongo_db_port)
 
-# Order or importing matters, for registering the embedded and referenced documents before using them.
+# Order or importing matters here, for registering the embedded and referenced documents before using them.
 from config import Config
 from creds import Creds
 from monkey_ttl import MonkeyTtl