diff --git a/kuryr/controllers.py b/kuryr/controllers.py
old mode 100644
new mode 100755
index fa9bedd9..4cabe728
--- a/kuryr/controllers.py
+++ b/kuryr/controllers.py
@@ -239,7 +239,7 @@ def _create_port(endpoint_id, neutron_network_id, interface_mac, fixed_ips):
     try:
         rcvd_port = app.neutron.create_port({'port': port})
     except n_exceptions.NeutronClientException as ex:
-        app.logger.error(_LE("Error happend during creating a"
+        app.logger.error(_LE("Error happened during creating a"
                              " Neutron port: %s"), ex)
         raise
     return rcvd_port['port']
@@ -255,7 +255,7 @@ def _update_port(port, endpoint_id):
                     'device_owner': const.DEVICE_OWNER,
                     'device_id': endpoint_id}})
     except n_exceptions.NeutronClientException as ex:
-        app.logger.error(_LE("Error happend during creating a "
+        app.logger.error(_LE("Error happened during creating a "
                              "Neutron port: %s"), ex)
         raise
     return response_port['port']
@@ -1130,7 +1130,7 @@ def ipam_request_address():
             allocated_address = '/'.join(
                 [allocated_address, str(cidr.prefixlen)])
         except n_exceptions.NeutronClientException as ex:
-            app.logger.error(_LE("Error happend during ip allocation on "
+            app.logger.error(_LE("Error happened during ip allocation on "
                                  "Neutron side: %s"), ex)
             raise
     else:
@@ -1174,7 +1174,7 @@ def ipam_release_pool():
         app.logger.info(_LI("The subnetpool with ID %s is still in use."
                         " It can't be deleted for now."), pool_id)
     except n_exceptions.NeutronClientException as ex:
-        app.logger.error(_LE("Error happend during deleting a "
+        app.logger.error(_LE("Error happened during deleting a "
                              "Neutron subnetpool: %s"), ex)
         raise
 
@@ -1240,8 +1240,8 @@ def ipam_release_address():
         for port in filtered_ports:
             app.neutron.delete_port(port['id'])
     except n_exceptions.NeutronClientException as ex:
-        app.logger.error(_LE("Error happend while fetching and deleting port, "
-                             "%s"), ex)
+        app.logger.error(_LE("Error happened while fetching "
+                             "and deleting port, %s"), ex)
         raise
 
     return flask.jsonify(const.SCHEMA['SUCCESS'])
diff --git a/kuryr/schemata/commons.py b/kuryr/schemata/commons.py
old mode 100644
new mode 100755
index 0b2ea971..33429e20
--- a/kuryr/schemata/commons.py
+++ b/kuryr/schemata/commons.py
@@ -119,7 +119,7 @@ COMMONS = {
         u'ipv4': {
             u'pattern': IPV4_PATTERN,
             u'type': u'string',
-            u'description': u'An IPv4 adddress',
+            u'description': u'An IPv4 address',
             u'example': u'10.0.0.1'
         },
         u'ipv4datum': {
@@ -143,7 +143,7 @@ COMMONS = {
                     u'example': u'foo',
                 },
                 u'Pool': {
-                    u'description': u'A range of IP Addresses represted in '
+                    u'description': u'A range of IP Addresses requested in '
                                     u'CIDR format address/mask.',
                     u'$ref': u'#/definitions/commons/definitions/cidr'
                 },
@@ -162,7 +162,7 @@ COMMONS = {
                     u'type': u'object',
                     u'patternProperties': {
                         u'.+': {
-                            u'description': u'key-vavule pair of the ID and '
+                            u'description': u'key-value pair of the ID and '
                                             u'the IP address',
                             u'$ref': u'#/definitions/commons/definitions/ipv4'
                         }
@@ -197,7 +197,7 @@ COMMONS = {
                     u'example': u'foo',
                 },
                 u'Pool': {
-                    u'description': u'A range of IP Addresses represted in '
+                    u'description': u'A range of IP Addresses requested in '
                                     u'CIDR format address/mask.',
                     u'$ref': u'#/definitions/commons/definitions/cidrv6'
                 },
diff --git a/kuryr/schemata/request_address.py b/kuryr/schemata/request_address.py
old mode 100644
new mode 100755
index d4db1e7d..981b2deb
--- a/kuryr/schemata/request_address.py
+++ b/kuryr/schemata/request_address.py
@@ -31,7 +31,7 @@ REQUEST_ADDRESS_SCHEMA = {
             u'$ref': u'#/definitions/commons/definitions/uuid'
         },
         u'Address': {
-            u'description': u'Prefered address in regular IP form.',
+            u'description': u'Preferred address in regular IP form.',
             u'example': u'10.0.0.1',
             u'$ref': u'#/definitions/commons/definitions/ipv4_or_ipv6'
         },
diff --git a/tools/subunit-trace.py b/tools/subunit-trace.py
index 7265df3b..e7719dc5 100755
--- a/tools/subunit-trace.py
+++ b/tools/subunit-trace.py
@@ -268,7 +268,7 @@ def parse_args():
                         'debug information in realtime')
     parser.add_argument('--fails', '-f', action='store_true',
                         dest='post_fails', help='Print failure debug '
-                        'information after the stream is proccesed')
+                        'information after the stream is processed')
     parser.add_argument('--failonly', action='store_true',
                         dest='failonly', help="Don't print success items",
                         default=(