diff --git a/cinderclient/v1/qos_specs.py b/cinderclient/v1/qos_specs.py
index b4e4272ae..c7944cb48 100644
--- a/cinderclient/v1/qos_specs.py
+++ b/cinderclient/v1/qos_specs.py
@@ -86,7 +86,7 @@ class QoSSpecsManager(base.ManagerWithFind):
         return self._create("/qos-specs", body, "qos_specs")
 
     def set_keys(self, qos_specs, specs):
-        """Update a qos specs with new specifications.
+        """Add/Update keys in a qos_specs.
 
         :param qos_specs: The ID of qos specs
         :param specs: A dict of key/value pairs to be set
@@ -101,7 +101,7 @@ class QoSSpecsManager(base.ManagerWithFind):
         return self._update("/qos-specs/%s" % qos_specs, body)
 
     def unset_keys(self, qos_specs, specs):
-        """Update a qos specs with new specifications.
+        """Remove keys from a qos specs.
 
         :param qos_specs: The ID of qos specs
         :param specs: A list of key to be unset
diff --git a/cinderclient/v1/volume_snapshots.py b/cinderclient/v1/volume_snapshots.py
index 3b1e17c80..6ce8ecc87 100644
--- a/cinderclient/v1/volume_snapshots.py
+++ b/cinderclient/v1/volume_snapshots.py
@@ -56,7 +56,7 @@ class Snapshot(base.Resource):
         return self._info.get('os-extended-snapshot-attributes:project_id')
 
     def reset_state(self, state):
-        """Update the snapshot with the privided state."""
+        """Update the snapshot with the provided state."""
         self.manager.reset_state(self, state)
 
     def set_metadata(self, metadata):
diff --git a/cinderclient/v2/qos_specs.py b/cinderclient/v2/qos_specs.py
index b4e4272ae..948fc0648 100644
--- a/cinderclient/v2/qos_specs.py
+++ b/cinderclient/v2/qos_specs.py
@@ -86,7 +86,7 @@ class QoSSpecsManager(base.ManagerWithFind):
         return self._create("/qos-specs", body, "qos_specs")
 
     def set_keys(self, qos_specs, specs):
-        """Update a qos specs with new specifications.
+        """Add/Update keys in qos specs.
 
         :param qos_specs: The ID of qos specs
         :param specs: A dict of key/value pairs to be set
@@ -101,7 +101,7 @@ class QoSSpecsManager(base.ManagerWithFind):
         return self._update("/qos-specs/%s" % qos_specs, body)
 
     def unset_keys(self, qos_specs, specs):
-        """Update a qos specs with new specifications.
+        """Remove keys from a qos specs.
 
         :param qos_specs: The ID of qos specs
         :param specs: A list of key to be unset
diff --git a/cinderclient/v2/volume_snapshots.py b/cinderclient/v2/volume_snapshots.py
index 90ea1cfcc..21ce24510 100644
--- a/cinderclient/v2/volume_snapshots.py
+++ b/cinderclient/v2/volume_snapshots.py
@@ -107,7 +107,6 @@ class SnapshotManager(base.ManagerWithFind):
 
         :rtype: list of :class:`Snapshot`
         """
-
         if search_opts is None:
             search_opts = {}
 
diff --git a/cinderclient/v2/volumes.py b/cinderclient/v2/volumes.py
index 28e812954..b1ce3bc8d 100644
--- a/cinderclient/v2/volumes.py
+++ b/cinderclient/v2/volumes.py
@@ -115,10 +115,10 @@ class Volume(base.Resource):
 
     def extend(self, volume, new_size):
         """Extend the size of the specified volume.
+
         :param volume: The UUID of the volume to extend
         :param new_size: The desired size to extend volume to.
         """
-
         self.manager.extend(self, new_size)
 
     def migrate_volume(self, host, force_host_copy):
@@ -196,8 +196,7 @@ class VolumeManager(base.ManagerWithFind):
         :param scheduler_hints: (optional extension) arbitrary key-value pairs
                             specified by the client to help boot an instance
         :rtype: :class:`Volume`
-       """
-
+        """
         if metadata is None:
             volume_metadata = {}
         else:
@@ -480,6 +479,10 @@ class VolumeManager(base.ManagerWithFind):
                             'disk_format': disk_format})
 
     def force_delete(self, volume):
+        """Delete the specified volume ignoring its current state.
+
+        :param volume: The :class:`Volume` to force-delete.
+        """
         return self._action('os-force_delete', base.getid(volume))
 
     def reset_state(self, volume, state):
@@ -487,6 +490,11 @@ class VolumeManager(base.ManagerWithFind):
         return self._action('os-reset_status', volume, {'status': state})
 
     def extend(self, volume, new_size):
+        """Extend the size of the specified volume.
+
+        :param volume: The UUID of the volume to extend.
+        :param new_size: The requested size to extend volume to.
+        """
         return self._action('os-extend',
                             base.getid(volume),
                             {'new_size': new_size})
@@ -507,7 +515,6 @@ class VolumeManager(base.ManagerWithFind):
         :param host: The destination host
         :param force_host_copy: Skip driver optimizations
         """
-
         return self._action('os-migrate_volume',
                             volume,
                             {'host': host, 'force_host_copy': force_host_copy})
@@ -519,7 +526,6 @@ class VolumeManager(base.ManagerWithFind):
         :param new_volume: The new temporary :class:`Volume` in the migration
         :param error: Inform of an error to cause migration cleanup
         """
-
         new_volume_id = base.getid(new_volume)
         return self._action('os-migrate_volume_completion',
                             old_volume,