typos fixed by Rob Hooft
diff --git a/Lib/test/test_cl.py b/Lib/test/test_cl.py
index 60fbc43..26c5146 100755
--- a/Lib/test/test_cl.py
+++ b/Lib/test/test_cl.py
@@ -63,7 +63,7 @@
 'YUV422DC', 'YUV422HC', '__doc__', '__name__', 'cvt_type', 'error']
 
 
-# This is a very inobstrusive test for the existance of the cl
+# This is a very inobtrusive test for the existence of the cl
 # module and all it's attributes.
 
 def main():