diff --git a/tempest/scenario/test_load_balancer_basic.py b/tempest/scenario/test_load_balancer_basic.py
index 800b3b0..8191984 100644
--- a/tempest/scenario/test_load_balancer_basic.py
+++ b/tempest/scenario/test_load_balancer_basic.py
@@ -141,7 +141,7 @@
                 server_or_ip=ip,
                 private_key=private_key)
 
-            # Write a backend's responce into a file
+            # Write a backend's response into a file
             resp = """echo -ne "HTTP/1.1 200 OK\r\nContent-Length: 7\r\n""" \
                    """Connection: close\r\nContent-Type: text/html; """ \
                    """charset=UTF-8\r\n\r\n%s"; cat >/dev/null"""
diff --git a/tempest/tests/negative/test_negative_generators.py b/tempest/tests/negative/test_negative_generators.py
index c77faca..a7af619 100644
--- a/tempest/tests/negative/test_negative_generators.py
+++ b/tempest/tests/negative/test_negative_generators.py
@@ -102,7 +102,7 @@
                                      }
                       }
 
-    unkown_type_schema = {
+    unknown_type_schema = {
         "type": "not_defined"
     }
 
@@ -131,7 +131,7 @@
 
     def test_generate_with_unknown_type(self):
         self.assertRaises(TypeError, self.generator.generate,
-                          self.unkown_type_schema)
+                          self.unknown_type_schema)
 
 
 class TestNegativeValidGenerator(base.TestCase, BaseNegativeGenerator):
diff --git a/tools/subunit-trace.py b/tools/subunit-trace.py
index c6f8eab..8ad59bb 100755
--- a/tools/subunit-trace.py
+++ b/tools/subunit-trace.py
@@ -263,7 +263,7 @@
     parser = argparse.ArgumentParser()
     parser.add_argument('--no-failure-debug', '-n', action='store_true',
                         dest='print_failures', help='Disable printing failure '
-                        'debug infomation in realtime')
+                        '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')