Fix grammatical mistake, Changed character from "an" to "a" in below files:

models.py line 120:Represents an syncpoint
domain.py line 27:is an realm with an identification string
queue.py line 81:if an queue with the same
test_resource_type.py line 65:Check for an known resource
test_server.py line 444, 472, 499, 1169, 1300, 1335:
create an server
remote_client.py line 45:Returns an ssh connection
install.sh line 22:Ubuntu has an lsb_release command

Change-Id: Iab6fec86b9a3a9bef284bbc9069530313c570b39

5 files changed, 10 insertions, 10 deletions

diff --git a/heat/db/sqlalchemy/models.py b/heat/db/sqlalchemy/models.py
index 0a53e6572..88586e651 100644
--- a/heat/db/sqlalchemy/models.py
+++ b/heat/db/sqlalchemy/models.py
@@ -117,7 +117,7 @@ class StackTag(BASE, HeatBase):
 
 
 class SyncPoint(BASE, HeatBase):
-    """Represents an syncpoint for a stack that is being worked on."""
+    """Represents a syncpoint for a stack that is being worked on."""
 
     __tablename__ = 'sync_point'
     __table_args__ = (
diff --git a/heat/engine/resources/openstack/designate/domain.py b/heat/engine/resources/openstack/designate/domain.py
index 3832d5644..9bafa0745 100644
--- a/heat/engine/resources/openstack/designate/domain.py
+++ b/heat/engine/resources/openstack/designate/domain.py
@@ -24,7 +24,7 @@ class DesignateDomain(resource.Resource):
     """Heat Template Resource for Designate Domain.
 
     Designate provides DNS-as-a-Service services for OpenStack. So, domain
-    is an realm with an identification string, unique in DNS.
+    is a realm with an identification string, unique in DNS.
     """
 
     support_status = support.SupportStatus(
diff --git a/heat/engine/resources/openstack/zaqar/queue.py b/heat/engine/resources/openstack/zaqar/queue.py
index 07c4f8862..f135c0772 100644
--- a/heat/engine/resources/openstack/zaqar/queue.py
+++ b/heat/engine/resources/openstack/zaqar/queue.py
@@ -78,7 +78,7 @@ class ZaqarQueue(resource.Resource):
         """Create a zaqar message queue."""
         queue_name = self.physical_resource_name()
         queue = self.client().queue(queue_name, auto_create=False)
-        # Zaqar client doesn't report an error if an queue with the same
+        # Zaqar client doesn't report an error if a queue with the same
         # id/name already exists, which can cause issue with stack update.
         if queue.exists():
             raise exception.Error(_('Message queue %s already exists.')
diff --git a/heat/tests/engine/test_resource_type.py b/heat/tests/engine/test_resource_type.py
index 13e124374..e65c51b72 100644
--- a/heat/tests/engine/test_resource_type.py
+++ b/heat/tests/engine/test_resource_type.py
@@ -62,7 +62,7 @@ class ResourceTypeTest(common.HeatTestCase):
             mock_is_service_available):
         mock_is_service_available.return_value = False
         resources = self.eng.list_resource_types(self.ctx)
-        # Check for an known resource, not listed
+        # Check for a known resource, not listed
         self.assertNotIn('OS::Nova::Server', resources)
 
     def test_resource_schema(self):
diff --git a/heat/tests/openstack/nova/test_server.py b/heat/tests/openstack/nova/test_server.py
index 0b62f8788..4640cd14c 100644
--- a/heat/tests/openstack/nova/test_server.py
+++ b/heat/tests/openstack/nova/test_server.py
@@ -441,7 +441,7 @@ class ServersTest(common.HeatTestCase):
         stack_name = 'img_name_err'
         (tmpl, stack) = self._setup_test_stack(stack_name)
 
-        # create an server with non exist image name
+        # create a server with non exist image name
         tmpl['Resources']['WebServer']['Properties']['image'] = 'Slackware'
         resource_defns = tmpl.resource_definitions(stack)
         server = servers.Server('WebServer',
@@ -469,7 +469,7 @@ class ServersTest(common.HeatTestCase):
         stack_name = 'img_dup_err'
         (tmpl, stack) = self._setup_test_stack(stack_name)
 
-        # create an server with a non unique image name
+        # create a server with a non unique image name
         tmpl['Resources']['WebServer']['Properties']['image'] = 'CentOS 5.2'
         resource_defns = tmpl.resource_definitions(stack)
         server = servers.Server('WebServer',
@@ -496,7 +496,7 @@ class ServersTest(common.HeatTestCase):
         stack_name = 'img_id_err'
         (tmpl, stack) = self._setup_test_stack(stack_name)
 
-        # create an server with non exist image Id
+        # create a server with non exist image Id
         tmpl['Resources']['WebServer']['Properties']['image'] = '1'
         resource_defns = tmpl.resource_definitions(stack)
         server = servers.Server('WebServer',
@@ -1166,7 +1166,7 @@ class ServersTest(common.HeatTestCase):
         stack_name = 'srv_val_bootvol'
         (tmpl, stack) = self._setup_test_stack(stack_name)
 
-        # create an server with bootable volume
+        # create a server with bootable volume
         web_server = tmpl.t['Resources']['WebServer']
         del web_server['Properties']['image']
 
@@ -1297,7 +1297,7 @@ class ServersTest(common.HeatTestCase):
         (tmpl, stack) = self._setup_test_stack(stack_name)
 
         network_name = 'public'
-        # create an server with 'uuid' and 'network' properties
+        # create a server with 'uuid' and 'network' properties
         tmpl['Resources']['WebServer']['Properties']['networks'] = (
             [{'uuid': 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa',
               'network': network_name}])
@@ -1332,7 +1332,7 @@ class ServersTest(common.HeatTestCase):
     def test_server_validate_with_only_fixed_ip(self):
         stack_name = 'srv_net'
         (tmpl, stack) = self._setup_test_stack(stack_name)
-        # create an server with 'uuid' and 'network' properties
+        # create a server with 'uuid' and 'network' properties
         tmpl['Resources']['WebServer']['Properties']['networks'] = (
             [{'fixed_ip': '10.0.0.99'}])