diff --git a/tempest/api/identity/admin/v2/test_tenants.py b/tempest/api/identity/admin/v2/test_tenants.py
index cda721c593..f68754e5b9 100644
--- a/tempest/api/identity/admin/v2/test_tenants.py
+++ b/tempest/api/identity/admin/v2/test_tenants.py
@@ -50,7 +50,7 @@ class TenantsTestJSON(base.BaseIdentityV2AdminTest):
                          'been sent in response for create')
         body = self.tenants_client.show_tenant(tenant_id)['tenant']
         desc2 = body['description']
-        self.assertEqual(desc2, tenant_desc, 'Description does not appear'
+        self.assertEqual(desc2, tenant_desc, 'Description does not appear '
                          'to be set')
         self.tenants_client.delete_tenant(tenant_id)
 
diff --git a/tempest/api/identity/admin/v3/test_projects.py b/tempest/api/identity/admin/v3/test_projects.py
index 6ddf42ebdb..f75edaa505 100644
--- a/tempest/api/identity/admin/v3/test_projects.py
+++ b/tempest/api/identity/admin/v3/test_projects.py
@@ -31,7 +31,7 @@ class ProjectsTestJSON(base.BaseIdentityV3AdminTest):
                          'been sent in response for create')
         body = self.projects_client.show_project(project_id)['project']
         desc2 = body['description']
-        self.assertEqual(desc2, project_desc, 'Description does not appear'
+        self.assertEqual(desc2, project_desc, 'Description does not appear '
                          'to be set')
 
     @decorators.idempotent_id('5f50fe07-8166-430b-a882-3b2ee0abe26f')
diff --git a/tempest/cmd/cleanup.py b/tempest/cmd/cleanup.py
index 29abd49098..2f54f9a642 100644
--- a/tempest/cmd/cleanup.py
+++ b/tempest/cmd/cleanup.py
@@ -279,7 +279,7 @@ class TempestCleanup(command.Command):
                                                        self.admin_id,
                                                        self.admin_role_id)
             except Exception as ex:
-                LOG.exception("Failed removing role from project which still"
+                LOG.exception("Failed removing role from project which still "
                               "exists, exception: %s", ex)
 
     def _project_exists(self, project_id):
diff --git a/tempest/cmd/run.py b/tempest/cmd/run.py
index 84c6d9a828..3e84b82aa1 100644
--- a/tempest/cmd/run.py
+++ b/tempest/cmd/run.py
@@ -243,8 +243,8 @@ class TempestRun(command.Command):
         parser.add_argument('--load-list', '--load_list',
                             help='Path to a non-regex whitelist file, '
                                  'this file contains a separate test '
-                                 'on each newline. This command'
-                                 'supports files created by the tempest'
+                                 'on each newline. This command '
+                                 'supports files created by the tempest '
                                  'run ``--list-tests`` command')
         # list only args
         parser.add_argument('--list-tests', '-l', action='store_true',
diff --git a/tempest/lib/auth.py b/tempest/lib/auth.py
index 2dd9d00ce7..8e6d3d5fe9 100644
--- a/tempest/lib/auth.py
+++ b/tempest/lib/auth.py
@@ -324,7 +324,7 @@ class KeystoneAuthProvider(AuthProvider):
                 pass
         if expiry is None:
             raise ValueError(
-                "time data '{data}' does not match any of the"
+                "time data '{data}' does not match any of the "
                 "expected formats: {formats}".format(
                     data=expiry_string, formats=self.EXPIRY_DATE_FORMATS))
         return expiry
diff --git a/tempest/test.py b/tempest/test.py
index f2babbb961..3e98c33474 100644
--- a/tempest/test.py
+++ b/tempest/test.py
@@ -581,7 +581,7 @@ class BaseTestCase(testtools.testcase.WithAttributes,
     def setUp(self):
         super(BaseTestCase, self).setUp()
         if not self.__setupclass_called:
-            raise RuntimeError("setUpClass does not calls the super's"
+            raise RuntimeError("setUpClass does not calls the super's "
                                "setUpClass in the " +
                                self.__class__.__name__)
         at_exit_set.add(self.__class__)