diff --git a/tempest/api/image/v2/test_images.py b/tempest/api/image/v2/test_images.py
index aa57dafdd4..c938cee544 100644
--- a/tempest/api/image/v2/test_images.py
+++ b/tempest/api/image/v2/test_images.py
@@ -185,7 +185,7 @@ class ListUserImagesTest(base.BaseV2ImageTest):
                      for disk_fmt in disk_fmts]
 
         for (container_fmt, disk_fmt) in all_pairs[:6]:
-            LOG.debug("Creating an image"
+            LOG.debug("Creating an image "
                       "(Container format: %s, Disk format: %s).",
                       container_fmt, disk_fmt)
             cls._create_standard_image(container_fmt, disk_fmt)
diff --git a/tempest/api/network/test_dhcp_ipv6.py b/tempest/api/network/test_dhcp_ipv6.py
index 399954c9d6..3ab2909af5 100644
--- a/tempest/api/network/test_dhcp_ipv6.py
+++ b/tempest/api/network/test_dhcp_ipv6.py
@@ -167,7 +167,7 @@ class NetworksTestDHCPv6(base.BaseNetworkTest):
         self._clean_network()
         self.assertNotEqual(eui_ip, real_ip,
                             ('Real port IP %s equal to EUI-64 %s when '
-                             'ipv6_ra_mode=Off and ipv6_address_mode=Off,'
+                             'ipv6_ra_mode=Off and ipv6_address_mode=Off, '
                              'but shall be taken from fixed IPs') % (
                                 real_ip, eui_ip))
 
diff --git a/tempest/config.py b/tempest/config.py
index 18c9d9d2a2..bc609bce52 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -101,7 +101,7 @@ AuthGroup = [
                deprecated_group='identity'),
     cfg.StrOpt('admin_domain_name',
                default='Default',
-               help="Admin domain name for authentication (Keystone V3)."
+               help="Admin domain name for authentication (Keystone V3). "
                     "The same domain applies to user and project",
                deprecated_group='identity'),
 ]
@@ -191,7 +191,7 @@ IdentityGroup = [
                help="The number of passwords for a user that must be unique "
                     "before an old password can be reused. This only takes "
                     "effect when identity-feature-enabled.security_compliance "
-                    "is set to 'True'."
+                    "is set to 'True'. "
                     "This config option corresponds to keystone.conf: "
                     "security_compliance.unique_last_password_count, whose "
                     "default value is 0 meaning disabling this feature. "
diff --git a/tempest/lib/services/identity/v3/inherited_roles_client.py b/tempest/lib/services/identity/v3/inherited_roles_client.py
index 691c7fdc99..3949437019 100644
--- a/tempest/lib/services/identity/v3/inherited_roles_client.py
+++ b/tempest/lib/services/identity/v3/inherited_roles_client.py
@@ -114,8 +114,7 @@ class InheritedRolesClient(rest_client.RestClient):
 
     def check_user_has_flag_on_inherited_to_project(
             self, project_id, user_id, role_id):
-        """Checks whether a user has a role assignment"""
-        """with the inherited_to_projects flag on a project."""
+        """Check if user has an inherited project role on project"""
         resp, body = self.head(
             "OS-INHERIT/projects/%s/users/%s/roles/%s/inherited_to_projects"
             % (project_id, user_id, role_id))
@@ -142,8 +141,7 @@ class InheritedRolesClient(rest_client.RestClient):
 
     def check_group_has_flag_on_inherited_to_project(
             self, project_id, group_id, role_id):
-        """Checks whether a group has a role assignment"""
-        """with the inherited_to_projects flag on a project."""
+        """Check if group has an inherited project role on project"""
         resp, body = self.head(
             "OS-INHERIT/projects/%s/groups/%s/roles/%s/inherited_to_projects"
             % (project_id, group_id, role_id))