diff --git a/rally_openstack/cfg/tempest.py b/rally_openstack/cfg/tempest.py
index 9806b16b..4fc3ad97 100644
--- a/rally_openstack/cfg/tempest.py
+++ b/rally_openstack/cfg/tempest.py
@@ -65,7 +65,7 @@ OPTS = {"openstack": [
     cfg.IntOpt("flavor_ref_alt_ram",
                default="128",
                deprecated_group="tempest",
-               help="Alternate reference flavor RAM size used by test that"
+               help="Alternate reference flavor RAM size used by test that "
                "need two flavors, like those that resize an instance"),
     cfg.IntOpt("heat_instance_type_ram",
                default="64",
diff --git a/rally_openstack/scenarios/ceilometer/stats.py b/rally_openstack/scenarios/ceilometer/stats.py
index fba9a4d1..df6b193a 100644
--- a/rally_openstack/scenarios/ceilometer/stats.py
+++ b/rally_openstack/scenarios/ceilometer/stats.py
@@ -30,7 +30,7 @@ from rally_openstack.scenarios.ceilometer import utils
                     platform="openstack")
 class CreateMeterAndGetStats(utils.CeilometerScenario):
 
-    @logging.log_deprecated("Use 'get_stats' method, now samples are created"
+    @logging.log_deprecated("Use 'get_stats' method, now samples are created "
                             "in context", "0.1.2")
     def run(self, **kwargs):
         """Create a meter and fetch its statistics.
diff --git a/rally_openstack/scenarios/cinder/volume_types.py b/rally_openstack/scenarios/cinder/volume_types.py
index 43c395cd..527200cb 100644
--- a/rally_openstack/scenarios/cinder/volume_types.py
+++ b/rally_openstack/scenarios/cinder/volume_types.py
@@ -118,7 +118,7 @@ class CreateAndListVolumeTypes(cinder_utils.CinderBasic):
             is_public=is_public)
 
         pool_list = self.admin_cinder.list_types()
-        msg = ("type not included into list of available types"
+        msg = ("type not included into list of available types "
                "created type: {}\n"
                "pool of types: {}\n").format(volume_type, pool_list)
         self.assertIn(volume_type.id,
diff --git a/rally_openstack/scenarios/nova/servers.py b/rally_openstack/scenarios/nova/servers.py
index 4c21617a..09d6e0fc 100644
--- a/rally_openstack/scenarios/nova/servers.py
+++ b/rally_openstack/scenarios/nova/servers.py
@@ -536,7 +536,7 @@ class BootServerAttachVolumeAndListAttachments(utils.NovaScenario,
         list_attachments = self._list_attachments(server.id)
 
         for attachment in attachments:
-            msg = ("attachment not included into list of available"
+            msg = ("attachment not included into list of available "
                    "attachments\n attachment: {}\n"
                    "list attachments: {}").format(attachment, list_attachments)
             self.assertIn(attachment, list_attachments, err_msg=msg)
diff --git a/rally_openstack/services/image/glance_v1.py b/rally_openstack/services/image/glance_v1.py
index 2717e7c6..bc5d6070 100644
--- a/rally_openstack/services/image/glance_v1.py
+++ b/rally_openstack/services/image/glance_v1.py
@@ -175,8 +175,8 @@ class UnifiedGlanceV1Service(glance_common.UnifiedGlanceMixin, image.Image):
         :param remove_props: List of property names to remove
         """
         if remove_props is not None:
-            raise image.RemovePropsException("Remove prop: %s is not"
-                                             "supported in"
+            raise image.RemovePropsException("Remove prop: %s is not "
+                                             "supported in "
                                              "glance_v1" % remove_props)
         image_obj = self._impl.update_image(
             image_id=image_id,