diff --git a/glance/api/policy.py b/glance/api/policy.py
index f9daef9bc8..41651e3b88 100644
--- a/glance/api/policy.py
+++ b/glance/api/policy.py
@@ -380,7 +380,7 @@ class ImageTarget(object):
     def __init__(self, target):
         """Initialize the object
 
-        :param target: Object being targetted
+        :param target: Object being targeted
         """
         self.target = target
 
diff --git a/glance/common/artifacts/loader.py b/glance/common/artifacts/loader.py
index 926e4c981f..32a6ffe35d 100644
--- a/glance/common/artifacts/loader.py
+++ b/glance/common/artifacts/loader.py
@@ -57,7 +57,7 @@ class ArtifactsPluginLoader(object):
         self.plugin_map = {'by_typename': {},
                            'by_endpoint': {}}
 
-        def _add_extention(ext):
+        def _add_extension(ext):
             """
             Plugins can be loaded as entry_point=single plugin and
             entry_point=PLUGIN_LIST, where PLUGIN_LIST is a python variable
@@ -91,7 +91,7 @@ class ArtifactsPluginLoader(object):
         # but stevedore has awful exception wrapping with no specific class
         # for this very case (no extensions for given namespace found)
         try:
-            self.mgr.map(_add_extention)
+            self.mgr.map(_add_extension)
         except RuntimeError as re:
             LOG.error(_LE("Unable to load artifacts: %s") % re.message)
 
diff --git a/glance/tests/functional/artifacts/test_artifacts.py b/glance/tests/functional/artifacts/test_artifacts.py
index aac6109374..1aa199577b 100644
--- a/glance/tests/functional/artifacts/test_artifacts.py
+++ b/glance/tests/functional/artifacts/test_artifacts.py
@@ -569,8 +569,8 @@ paste.filter_factory = glance.tests.utils:FakeAuthMiddleware.factory
         art_updated = self._check_artifact_patch('/withprops/v1/%s'
                                                  % art['id'], data=data)
         self.assertEqual([2, 12, 85, 0, 6, 7], art_updated['prop_list'])
-        # an attempt to add an element to unexistant position should result in
-        # 400
+        # an attempt to add an element to nonexistent position should
+        # result in 400
         self.assertEqual(6, len(art_updated['prop_list']))
         bad_index_data = [{'op': 'add', 'path': '/prop_list/11',
                            'value': 42}]
@@ -1071,7 +1071,7 @@ paste.filter_factory = glance.tests.utils:FakeAuthMiddleware.factory
         data = {'name': 'an artifact',
                 'version': '42'}
         art = self._create_artifact('withprops', data=data)
-        # try to update non existant property
+        # try to update nonexistent property
         upd = self._check_artifact_put(
             '/withprops/v1.0/%s/nosuchprop' % art['id'],
             data={'data': 'wont be set'}, status=400)
@@ -1110,7 +1110,7 @@ paste.filter_factory = glance.tests.utils:FakeAuthMiddleware.factory
             data={'data': 15}, status=200)
         self.assertEqual({'foo': 'some value', 'bar_list': [5, 15]},
                          upd['dict_prop'])
-        # try to attempt dict_property by non existant path
+        # try to attempt dict_property by nonexistent path
         upd = self._check_artifact_post(
             '/withprops/v1.0/%s/dict_prop/bar_list/nosuchkey' % art['id'],
             data={'data': 15}, status=400)