update docs for generic associations

1 files changed, 10 insertions, 3 deletions

diff --git a/examples/generic_associations/__init__.py b/examples/generic_associations/__init__.py
index 7e94694fe..b166d9161 100644
--- a/examples/generic_associations/__init__.py
+++ b/examples/generic_associations/__init__.py
@@ -4,14 +4,21 @@ parents with a particular child object.
 
 The examples all use the declarative extension along with 
 declarative mixins.   Each one presents the identical use
-case at the end - two clases, ``Customer`` and ``Supplier``, both
+case at the end - two classes, ``Customer`` and ``Supplier``, both
 subclassing the ``HasAddresses`` mixin, which ensures that the
 parent class is provided with an ``addresses`` collection
 which contains ``Address`` objects.
 
+The configurations include:
+
+* ``table_per_related.py`` - illustrates a distinct table per related collection.
+* ``table_per_association.py`` - illustrates a shared collection table, using a
+  table per association.
+* ``discriminator_on_association.py`` - shared collection table and shared
+  association table, including a discriminator column.
+
 The ``discriminator_on_association.py`` script in particular is a modernized
 version of the "polymorphic associations" example present in older versions of
-SQLAlchemy.
-
+SQLAlchemy, originally from the blog post at http://techspot.zzzeek.org/2007/05/29/polymorphic-associations-with-sqlalchemy/.
 
 """
\ No newline at end of file