diff --git a/tempest/api/compute/servers/test_server_actions.py b/tempest/api/compute/servers/test_server_actions.py
index 47629c0..c99adc5 100644
--- a/tempest/api/compute/servers/test_server_actions.py
+++ b/tempest/api/compute/servers/test_server_actions.py
@@ -371,7 +371,7 @@
         # for a given server_id and number of lines
 
         # This reboot is necessary for outputting some console log after
-        # creating a instance backup. If a instance backup, the console
+        # creating an instance backup. If an instance backup, the console
         # log file is truncated and we cannot get any console log through
         # "console-log" API.
         # The detail is https://bugs.launchpad.net/nova/+bug/1251920
diff --git a/tempest/api/database/limits/test_limits.py b/tempest/api/database/limits/test_limits.py
index 4b7f2d6..ee51b1d 100644
--- a/tempest/api/database/limits/test_limits.py
+++ b/tempest/api/database/limits/test_limits.py
@@ -27,7 +27,7 @@
     @test.attr(type='smoke')
     @test.idempotent_id('73024538-f316-4829-b3e9-b459290e137a')
     def test_absolute_limits(self):
-        # Test to verify if all absolute limit paramaters are
+        # Test to verify if all absolute limit parameters are
         # present when verb is ABSOLUTE
         limits = self.client.list_db_limits()['limits']
         expected_abs_limits = ['max_backups', 'max_volumes',
diff --git a/tempest/common/compute.py b/tempest/common/compute.py
index 5c4d8af..198814e 100644
--- a/tempest/common/compute.py
+++ b/tempest/common/compute.py
@@ -33,7 +33,7 @@
     This method is a common wrapper returning a test server that can be
     pingable or sshable.
 
-    :param clients: Client manager which provides Openstack Tempest clients.
+    :param clients: Client manager which provides OpenStack Tempest clients.
     :param validatable: Whether the server will be pingable or sshable.
     :param validation_resources: Resources created for the connection to the
     server. Include a keypair, a security group and an IP.
diff --git a/tempest/common/utils/linux/remote_client.py b/tempest/common/utils/linux/remote_client.py
index a567c6a..9308390 100644
--- a/tempest/common/utils/linux/remote_client.py
+++ b/tempest/common/utils/linux/remote_client.py
@@ -163,9 +163,9 @@
         * dhclient
         """
         # TODO(yfried): add support for dhcpcd
-        suported_clients = ['udhcpc', 'dhclient']
+        supported_clients = ['udhcpc', 'dhclient']
         dhcp_client = CONF.scenario.dhcp_client
-        if dhcp_client not in suported_clients:
+        if dhcp_client not in supported_clients:
             raise exceptions.InvalidConfiguration('%s DHCP client unsupported'
                                                   % dhcp_client)
         if dhcp_client == 'udhcpc' and not fixed_ip:
diff --git a/tempest/scenario/test_shelve_instance.py b/tempest/scenario/test_shelve_instance.py
index 022306e..4896447 100644
--- a/tempest/scenario/test_shelve_instance.py
+++ b/tempest/scenario/test_shelve_instance.py
@@ -30,7 +30,7 @@
     """
     This test shelves then unshelves a Nova instance
     The following is the scenario outline:
-     * boot a instance and create a timestamp file in it
+     * boot an instance and create a timestamp file in it
      * shelve the instance
      * unshelve the instance
      * check the existence of the timestamp file in the unshelved instance
diff --git a/tempest/scenario/test_snapshot_pattern.py b/tempest/scenario/test_snapshot_pattern.py
index 1298faa..b5e5da8 100644
--- a/tempest/scenario/test_snapshot_pattern.py
+++ b/tempest/scenario/test_snapshot_pattern.py
@@ -29,7 +29,7 @@
     """
     This test is for snapshotting an instance and booting with it.
     The following is the scenario outline:
-     * boot a instance and create a timestamp file in it
+     * boot an instance and create a timestamp file in it
      * snapshot the instance
      * boot a second instance from the snapshot
      * check the existence of the timestamp file in the second instance
@@ -62,11 +62,11 @@
                           'Snapshotting is not available.')
     @test.services('compute', 'network', 'image')
     def test_snapshot_pattern(self):
-        # prepare for booting a instance
+        # prepare for booting an instance
         self._add_keypair()
         self.security_group = self._create_security_group()
 
-        # boot a instance and create a timestamp file in it
+        # boot an instance and create a timestamp file in it
         server = self._boot_image(CONF.compute.image_ref)
         if CONF.compute.use_floatingip_for_ssh:
             fip_for_server = self.create_floating_ip(server)
diff --git a/tempest/scenario/test_stamp_pattern.py b/tempest/scenario/test_stamp_pattern.py
index a7bdba3..474c939 100644
--- a/tempest/scenario/test_stamp_pattern.py
+++ b/tempest/scenario/test_stamp_pattern.py
@@ -150,7 +150,7 @@
                           'Snapshotting is not available.')
     @tempest.test.services('compute', 'network', 'volume', 'image')
     def test_stamp_pattern(self):
-        # prepare for booting a instance
+        # prepare for booting an instance
         self._add_keypair()
         self.security_group = self._create_security_group()
 
diff --git a/tempest/thirdparty/boto/test.py b/tempest/thirdparty/boto/test.py
index 8c371a7..1ced180 100644
--- a/tempest/thirdparty/boto/test.py
+++ b/tempest/thirdparty/boto/test.py
@@ -211,7 +211,7 @@
     def resource_setup(cls):
         super(BotoTestCase, cls).resource_setup()
         cls.conclusion = decision_maker()
-        # The trash contains cleanup functions and paramaters in tuples
+        # The trash contains cleanup functions and parameters in tuples
         # (function, *args, **kwargs)
         cls._resource_trash_bin = {}
         cls._sequence = -1