diff --git a/docs/source/conf.py b/docs/source/conf.py
index 90bf50b..d9901db 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -251,3 +251,5 @@ texinfo_documents = [
 extlinks = {
     'issue': ('https://github.com/dreamhost/stevedore/issues/%s', 'issue '),
 }
+
+autodoc_default_flags = ['members', 'special-members', 'show-inheritance']
diff --git a/docs/source/managers.rst b/docs/source/managers.rst
index 2b0b527..ff784ee 100644
--- a/docs/source/managers.rst
+++ b/docs/source/managers.rst
@@ -6,55 +6,36 @@ DriverManager
 =============
 
 .. autoclass:: stevedore.driver.DriverManager
-   :members:
-   :show-inheritance:
-   :special-members:
 
 HookManager
 ===========
 
 .. autoclass:: stevedore.hook.HookManager
-   :members:
-   :inherited-members:
-   :show-inheritance:
 
 NamedExtensionManager
 =====================
 
 .. autoclass:: stevedore.named.NamedExtensionManager
-   :members:
-   :show-inheritance:
 
 EnabledExtensionManager
 =======================
 
 .. autoclass:: stevedore.enabled.EnabledExtensionManager
-   :members:
-   :inherited-members:
-   :show-inheritance:
 
 DispatchExtensionManager
 ========================
 
 .. autoclass:: stevedore.dispatch.DispatchExtensionManager
-   :members:
-   :inherited-members:
-   :show-inheritance:
 
 NameDispatchExtensionManager
 ============================
 
 .. autoclass:: stevedore.dispatch.NameDispatchExtensionManager
-   :members:
-   :inherited-members:
-   :show-inheritance:
 
 ExtensionManager
 ================
 
 .. autoclass:: stevedore.extension.ExtensionManager
-   :members:
-   :show-inheritance:
 
 Extension
 =========
@@ -62,10 +43,9 @@ Extension
 .. autoclass:: stevedore.extension.Extension
    :members:
    :show-inheritance:
+   :no-special-members:
 
 TestExtensionManager
 ====================
 
 .. autoclass:: stevedore.tests.manager.TestExtensionManager
-   :members:
-   :show-inheritance:
diff --git a/stevedore/extension.py b/stevedore/extension.py
index 67ba46a..44b2e1d 100644
--- a/stevedore/extension.py
+++ b/stevedore/extension.py
@@ -45,6 +45,7 @@ class ExtensionManager(object):
         the object returned by the entry point. Only used if invoke_on_load
         is True.
     :type invoke_kwds: dict
+
     """
 
     def __init__(self, namespace,
@@ -136,6 +137,11 @@ class ExtensionManager(object):
             LOG.exception(err)
 
     def __iter__(self):
+        """Produce iterator for the manager.
+
+        Iterating over an ExtensionManager produces the :class:`Extension`
+        instances in the order they would be invoked.
+        """
         return iter(self.extensions)
 
     def __getitem__(self, name):