Design pattern description as module docstring

abstractfactory.py

@@ -1,4 +1,7 @@
-"""Implementation of the abstract factory pattern"""
+"""
+Provide an interface for creating families of related or dependent objects without specifying their concrete classes.
+
+Implementation of the abstract factory pattern"""
 import random
 
 

factory.py

@@ -1,3 +1,8 @@
+"""
+Define an interface for creating a single object, but let subclasses decide which class to instantiate. 
+    Factory Method lets a class defer instantiation to subclasses.
+"""
+
 class Pizza(object):
     def __init__(self):
         self._price = None

prototype.py

@@ -1,3 +1,8 @@
+"""
+Specify the kinds of objects to create using a prototypical instance, and create new objects from the 'skeleton' of an existing object, 
+    thus boosting performance and keeping memory footprints to a minimum.
+"""
+
 from copy import deepcopy, copy
 
 copyfunc = deepcopy

proxy.py

@@ -1,5 +1,10 @@
 # -*- coding: utf-8 -*-
 
+"""
+Tactic of delaying the creation of an object, the calculation of a value, or some other expensive process until the first time it is needed. 
+    This pattern appears in the GoF catalog as "virtual proxy", an implementation strategy for the Proxy pattern.
+"""
+
 class IMath:
     """Interface for proxy and real subject."""
     def add(self, x, y):