diff --git a/src/pybel/manager/__init__.py b/src/pybel/manager/__init__.py
index <HASH>..<HASH> 100644
--- a/src/pybel/manager/__init__.py
+++ b/src/pybel/manager/__init__.py
@@ -0,0 +1,12 @@
+"""
+
+The pybel.manager module serves as an interface between the BEL graph data structure and underlying relational
+databases. Its inclusion allows for the caching of namespaces and annotations for much faster lookup than
+downloading and parsing upon each compilation.
+
+"""
+
+from .cache import CacheManager
+from .graph_cache import GraphCacheManager
+
+__all__ = ['CacheManager', 'GraphCacheManager']
Added docs for pybel.manager