diff --git a/keystoneclient/v3/policies.py b/keystoneclient/v3/policies.py
index 9ab538756..6eb1aa5c3 100644
--- a/keystoneclient/v3/policies.py
+++ b/keystoneclient/v3/policies.py
@@ -54,31 +54,76 @@ class PolicyManager(base.CrudManager):
 
     @positional(1, enforcement=positional.WARN)
     def create(self, blob, type='application/json', **kwargs):
+        """Create a policy.
+
+        :param str blob: the policy document.
+        :param str type: the mime type of the policy blob.
+        :param kwargs: any other attribute provided will be passed to the
+                       server.
+
+        :returns: the created policy returned from server.
+        :rtype: :class:`keystoneclient.v3.policies.Policy`
+
+        """
         return super(PolicyManager, self).create(
             blob=blob,
             type=type,
             **kwargs)
 
     def get(self, policy):
+        """Retrieve a policy.
+
+        :param policy: the policy to be retrieved from the server.
+        :type policy: str or :class:`keystoneclient.v3.policies.Policy`
+
+        :returns: the specified policy returned from server.
+        :rtype: :class:`keystoneclient.v3.policies.Policy`
+
+        """
         return super(PolicyManager, self).get(
             policy_id=base.getid(policy))
 
     def list(self, **kwargs):
         """List policies.
 
-        ``**kwargs`` allows filter criteria to be passed where
-         supported by the server.
+        :param kwargs: allows filter criteria to be passed where
+                       supported by the server.
+
+        :returns: a list of policies.
+        :rtype: list of :class:`keystoneclient.v3.policies.Policy`.
+
         """
         return super(PolicyManager, self).list(**kwargs)
 
     @positional(enforcement=positional.WARN)
-    def update(self, entity, blob=None, type=None, **kwargs):
+    def update(self, policy, blob=None, type=None, **kwargs):
+        """Update a policy.
+
+        :param policy: the policy to be updated on the server.
+        :type policy: str or :class:`keystoneclient.v3.policies.Policy`
+        :param str blob: the new policy document.
+        :param str type: the new mime type of the policy blob.
+        :param kwargs: any other attribute provided will be passed to the
+                       server.
+
+        :returns: the updated policy returned from server.
+        :rtype: :class:`keystoneclient.v3.policies.Policy`
+
+        """
         return super(PolicyManager, self).update(
-            policy_id=base.getid(entity),
+            policy_id=base.getid(policy),
             blob=blob,
             type=type,
             **kwargs)
 
     def delete(self, policy):
+        """"Delete a policy.
+
+        :param policy: the policy to be deleted on the server.
+        :type policy: str or :class:`keystoneclient.v3.policies.Policy`
+
+        :returns: Request object with 204 status and None as data.
+
+        """
         return super(PolicyManager, self).delete(
             policy_id=base.getid(policy))