diff --git a/keystoneclient/session.py b/keystoneclient/session.py
index 96df8d037..4ccc4ac3d 100644
--- a/keystoneclient/session.py
+++ b/keystoneclient/session.py
@@ -702,7 +702,7 @@ class Session(object):
              For example, to support the ``ca_file`` option pointing to the new
              ``cafile`` option name::
 
-                 old_opt = oslo.cfg.DeprecatedOpt('ca_file', 'old_group')
+                 old_opt = oslo_cfg.DeprecatedOpt('ca_file', 'old_group')
                  deprecated_opts={'cafile': [old_opt]}
 
         :returns: A list of oslo_config options.
@@ -750,7 +750,7 @@ class Session(object):
              For example, to support the ``ca_file`` option pointing to the new
              ``cafile`` option name::
 
-                 old_opt = oslo.cfg.DeprecatedOpt('ca_file', 'old_group')
+                 old_opt = oslo_cfg.DeprecatedOpt('ca_file', 'old_group')
                  deprecated_opts={'cafile': [old_opt]}
 
         :returns: The list of options that was registered.