diff --git a/heat/engine/hot/functions.py b/heat/engine/hot/functions.py
index 2f6dbb955..cefdd9e0a 100644
--- a/heat/engine/hot/functions.py
+++ b/heat/engine/hot/functions.py
@@ -305,7 +305,7 @@ class ReplaceJson(Replace):
                                                'value': value})
                 else:
                     raise TypeError(_('"%s" params must be strings, numbers, '
-                                      'list or map. ') % self.fn_name)
+                                      'list or map.') % self.fn_name)
 
             return string.replace(placeholder, six.text_type(value))
 
diff --git a/heat/engine/resources/openstack/manila/share_type.py b/heat/engine/resources/openstack/manila/share_type.py
index fd3ba036a..25facdd99 100644
--- a/heat/engine/resources/openstack/manila/share_type.py
+++ b/heat/engine/resources/openstack/manila/share_type.py
@@ -52,7 +52,7 @@ class ManilaShareType(resource.Resource):
         DRIVER_HANDLES_SHARE_SERVERS: properties.Schema(
             properties.Schema.BOOLEAN,
             _('Required extra specification. '
-              'Defines if share drivers handles share servers. '),
+              'Defines if share drivers handles share servers.'),
             required=True,
         ),
         EXTRA_SPECS: properties.Schema(
diff --git a/heat/engine/resources/openstack/mistral/workflow.py b/heat/engine/resources/openstack/mistral/workflow.py
index 26b1034bc..c51b1f403 100644
--- a/heat/engine/resources/openstack/mistral/workflow.py
+++ b/heat/engine/resources/openstack/mistral/workflow.py
@@ -323,7 +323,7 @@ class Workflow(signal_responder.SignalResponder,
                           ' Any numeric value - then the task will run once '
                           'at least this number of upstream tasks are '
                           'completed and corresponding conditions have '
-                          'triggered. '),
+                          'triggered.'),
                         support_status=support.SupportStatus(version='6.0.0')
                     ),
                 },
diff --git a/heat/engine/resources/openstack/nova/server.py b/heat/engine/resources/openstack/nova/server.py
index 0ae7be234..00f9e7e6a 100644
--- a/heat/engine/resources/openstack/nova/server.py
+++ b/heat/engine/resources/openstack/nova/server.py
@@ -483,7 +483,7 @@ class Server(stack_user.StackUser, sh.SchedulerHintsMixin,
               '{"public": [ip1, ip2...], "private": [ip3, ip4], '
               '"public_uuid": [ip1, ip2...], "private_uuid": [ip3, ip4]}. '
               'Each network will have two keys in dict, they are network '
-              'name and network id. '),
+              'name and network id.'),
             type=attributes.Schema.MAP
         ),
         FIRST_ADDRESS: attributes.Schema(