diff --git a/doc/source/conf.py b/doc/source/conf.py
index 05991671..eacff6db 100755
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -22,6 +22,7 @@ sys.path.insert(0, os.path.abspath('../..'))
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
 extensions = [
     'sphinx.ext.autodoc',
+    'sphinx.ext.intersphinx',
     'oslosphinx',
     'oslo_config.sphinxext',
 ]
@@ -74,5 +75,8 @@ latex_documents = [
      u'OpenStack Foundation', 'manual'),
 ]
 
-# Example configuration for intersphinx: refer to the Python standard library.
-# intersphinx_mapping = {'http://docs.python.org/': None}
+intersphinx_mapping = {
+    'python': ('https://docs.python.org/', None),
+    'osloconfig': ('http://docs.openstack.org/developer/oslo.config/', None),
+    'dogpilecache': ('https://dogpilecache.readthedocs.io/en/latest/', None),
+}
diff --git a/oslo_cache/core.py b/oslo_cache/core.py
index 83421efe..63d1d1df 100644
--- a/oslo_cache/core.py
+++ b/oslo_cache/core.py
@@ -164,7 +164,7 @@ def create_region():
         a memoized method is called.
 
     :returns: The new region.
-    :rtype: :class:`dogpile.cache.CacheRegion`
+    :rtype: :class:`dogpile.cache.region.CacheRegion`
 
     """
 
@@ -181,10 +181,11 @@ def configure_cache_region(conf, region):
     :param conf: config object, must have had :func:`configure` called on it.
     :type conf: oslo_config.cfg.ConfigOpts
     :param region: Cache region to configure (see :func:`create_region`).
-    :type region: dogpile.cache.CacheRegion
+    :type region: dogpile.cache.region.CacheRegion
     :raises oslo_cache.exception.ConfigurationError: If the region parameter is
         not a dogpile.cache.CacheRegion.
     :returns: The region.
+    :rtype: :class:`dogpile.cache.region.CacheRegion`
     """
     if not isinstance(region, dogpile.cache.CacheRegion):
         raise exception.ConfigurationError(
@@ -330,6 +331,7 @@ def get_memoization_decorator(conf, region, group, expiration_group=None):
     :param conf: config object, must have had :func:`configure` called on it.
     :type conf: oslo_config.cfg.ConfigOpts
     :param region: region as created by :func:`create_region`.
+    :type region: dogpile.cache.region.CacheRegion
     :param group: name of the configuration group to examine
     :type group: string
     :param expiration_group: name of the configuration group to examine
@@ -362,10 +364,9 @@ def configure(conf):
     Register the required oslo.cache config options into an oslo.config CONF
     object.
 
-    This must be called before conf().
+    This must be called before :py:func:`configure_cache_region`.
 
     :param conf: The configuration object.
     :type conf: oslo_config.cfg.ConfigOpts
-
     """
     _opts.configure(conf)