diff --git a/bigchaindb/backend/__init__.py b/bigchaindb/backend/__init__.py
index 70307ade..89e49559 100644
--- a/bigchaindb/backend/__init__.py
+++ b/bigchaindb/backend/__init__.py
@@ -1,2 +1,4 @@
+"""Backend interfaces ..."""
+
 # Include the backend interfaces
 from bigchaindb.backend import changefeed, schema, query  # noqa
diff --git a/bigchaindb/backend/rethinkdb/__init__.py b/bigchaindb/backend/rethinkdb/__init__.py
index e32debe2..42b79735 100644
--- a/bigchaindb/backend/rethinkdb/__init__.py
+++ b/bigchaindb/backend/rethinkdb/__init__.py
@@ -1,2 +1,4 @@
-# Register the single dispatched modules on import
+"""RethinkDB backend components ..."""
+
+# Register the single dispatched modules on import.
 from bigchaindb.backend.rethinkdb import changefeed, schema, query  # noqa
diff --git a/bigchaindb/backend/rethinkdb/connection.py b/bigchaindb/backend/rethinkdb/connection.py
index 160669c8..578bbab4 100644
--- a/bigchaindb/backend/rethinkdb/connection.py
+++ b/bigchaindb/backend/rethinkdb/connection.py
@@ -35,6 +35,10 @@ class RethinkDBConnection(Connection):
 
         Args:
             query: the RethinkDB query.
+
+        Raises:
+            :exc:`rethinkdb.ReqlDriverError`: After
+                :attr:`~.RethinkDBConnection.max_tries`.
         """
 
         if self.conn is None:
@@ -49,6 +53,15 @@ class RethinkDBConnection(Connection):
                 self.connect()
 
     def connect(self):
+        """Sets a connection to RethinkDB.
+
+        The connection is available via :attr:`~.RethinkDBConnection.conn`.
+
+        Raises:
+            :exc:`rethinkdb.ReqlDriverError`: After
+                :attr:`~.RethinkDBConnection.max_tries`.
+
+        """
         for i in range(self.max_tries):
             try:
                 self.conn = r.connect(host=self.host, port=self.port,
diff --git a/docs/server/source/appendices/backend.rst b/docs/server/source/appendices/backend.rst
new file mode 100644
index 00000000..2cb035e8
--- /dev/null
+++ b/docs/server/source/appendices/backend.rst
@@ -0,0 +1,61 @@
+###############################################
+:mod:`bigchaindb.backend` -- Backend Interfaces
+###############################################
+
+.. automodule:: bigchaindb.backend
+    :special-members: __init__
+
+
+Generic Backend
+===============
+
+:mod:`bigchaindb.backend.connection` -- Connection
+--------------------------------------------------
+
+.. automodule:: bigchaindb.backend.connection
+
+:mod:`bigchaindb.backend.schema` -- Schema
+------------------------------------------
+.. automodule:: bigchaindb.backend.schema
+
+:mod:`bigchaindb.backend.query` -- Query
+----------------------------------------
+.. automodule:: bigchaindb.backend.query
+
+:mod:`bigchaindb.backend.changefeed` -- Changefeed
+--------------------------------------------------
+.. automodule:: bigchaindb.backend.changefeed
+
+:mod:`bigchaindb.backend.utils`
+-------------------------------
+.. automodule:: bigchaindb.backend.utils
+
+ 
+:mod:`bigchaindb.backend.rethinkdb` -- RethinkDB Backend
+========================================================
+
+.. automodule:: bigchaindb.backend.rethinkdb
+    :special-members: __init__
+
+:mod:`bigchaindb.backend.rethinkdb.connection`
+----------------------------------------------
+
+.. automodule:: bigchaindb.backend.rethinkdb.connection
+    :special-members: __init__
+
+:mod:`bigchaindb.backend.rethinkdb.schema`
+------------------------------------------
+.. automodule:: bigchaindb.backend.rethinkdb.schema
+
+:mod:`bigchaindb.backend.rethinkdb.query`
+-----------------------------------------
+.. automodule:: bigchaindb.backend.rethinkdb.query
+
+:mod:`bigchaindb.backend.rethinkdb.changefeed`
+----------------------------------------------
+.. automodule:: bigchaindb.backend.rethinkdb.changefeed
+
+
+MongoDB Backend
+===============
+Stay tuned!
diff --git a/docs/server/source/appendices/index.rst b/docs/server/source/appendices/index.rst
index c251db09..41b742b9 100755
--- a/docs/server/source/appendices/index.rst
+++ b/docs/server/source/appendices/index.rst
@@ -15,6 +15,7 @@ Appendices
    the-Bigchain-class
    consensus
    pipelines
+   backend
    aws-setup
    firewall-notes
    ntp-notes