diff --git a/docs/source/flask_digest_auth.rst b/docs/source/flask_digest_auth.rst
index c839ed1..0d005d5 100644
--- a/docs/source/flask_digest_auth.rst
+++ b/docs/source/flask_digest_auth.rst
@@ -1,24 +1,37 @@
 flask\_digest\_auth package
 ===========================
 
-The ``DigestAuth`` Class
-------------------------
-.. autoclass:: flask_digest_auth.DigestAuth
-    :members:
-    :undoc-members:
-    :show-inheritance:
+Submodules
+----------
 
-The ``make_password_hash`` Function
------------------------------------
-.. autofunction:: flask_digest_auth.make_password_hash
+flask\_digest\_auth.algo module
+-------------------------------
 
-The ``calc_response`` Function
-------------------------------
-.. autofunction:: flask_digest_auth.calc_response
+.. automodule:: flask_digest_auth.algo
+   :members:
+   :undoc-members:
+   :show-inheritance:
 
-The ``Client`` Test Class
--------------------------
-.. autoclass:: flask_digest_auth.Client
-    :members:
-    :undoc-members:
-    :show-inheritance:
+flask\_digest\_auth.auth module
+-------------------------------
+
+.. automodule:: flask_digest_auth.auth
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
+flask\_digest\_auth.test module
+-------------------------------
+
+.. automodule:: flask_digest_auth.test
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
+Module contents
+---------------
+
+.. automodule:: flask_digest_auth
+   :members:
+   :undoc-members:
+   :show-inheritance:
diff --git a/docs/source/index.rst b/docs/source/index.rst
index ce84e15..3fe1c6a 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -26,6 +26,7 @@ Indices and tables
 ==================
 
 * :ref:`genindex`
+* :ref:`modindex`
 * :ref:`search`
 
 .. _HTTP Digest Authentication: https://en.wikipedia.org/wiki/Digest_access_authentication
diff --git a/docs/source/intro.rst b/docs/source/intro.rst
index f8b5b58..d5eeb5d 100644
--- a/docs/source/intro.rst
+++ b/docs/source/intro.rst
@@ -63,7 +63,7 @@ The username is part of the hash.  If the user changes their username,
 you need to ask their password, to generate and store the new password
 hash.
 
-See :meth:`flask_digest_auth.make_password_hash`.
+See :func:`flask_digest_auth.algo.make_password_hash`.
 
 
 Flask-Digest-Auth Alone
@@ -118,7 +118,7 @@ logging the log in event, adding the log in counter, etc.
     def on_login(user: User) -> None:
         user.visits = user.visits + 1
 
-See :meth:`flask_digest_auth.DigestAuth.register_on_login`.
+See :meth:`flask_digest_auth.auth.DigestAuth.register_on_login`.
 
 
 Log Out
@@ -127,7 +127,7 @@ Log Out
 Flask-Digest-Auth supports log out.  The user will be prompted for the
 new username and password.
 
-See :meth:`flask_digest_auth.DigestAuth.logout`.
+See :meth:`flask_digest_auth.auth.DigestAuth.logout`.
 
 
 Test Client
@@ -136,7 +136,7 @@ Test Client
 Flask-Digest-Auth comes with a test client that supports HTTP digest
 authentication.
 
-See :class:`flask_digest_auth.Client`.
+See :class:`flask_digest_auth.test.Client`.
 
 Also see :ref:`example-unittest` and :ref:`example-pytest`.
 
diff --git a/docs/source/modules.rst b/docs/source/modules.rst
new file mode 100644
index 0000000..1475ab1
--- /dev/null
+++ b/docs/source/modules.rst
@@ -0,0 +1,7 @@
+src
+===
+
+.. toctree::
+   :maxdepth: 4
+
+   flask_digest_auth