diff --git a/tempest/test.py b/tempest/test.py
index 61d1311..6754831 100644
--- a/tempest/test.py
+++ b/tempest/test.py
@@ -209,12 +209,12 @@
 
 def validate_tearDownClass():
     if at_exit_set:
-        raise RuntimeError("tearDownClass does not calls the super's "
+        raise RuntimeError("tearDownClass does not call the super's "
                            "tearDownClass in these classes: "
                            + str(at_exit_set) + "\n"
                            "If you see the exception, with another "
-                           "exception please do not report this one!"
-                           "If you are changing tempest code, make sure you",
+                           "exception please do not report this one! "
+                           "If you are changing tempest code, make sure you "
                            "are calling the super class's tearDownClass!")
 
 atexit.register(validate_tearDownClass)