Merge pull request #51 from felixonmars/patch-1

Correct a typo in interfaces.py

src/zope/configuration/interfaces.py

@@ -24,7 +24,7 @@
 ]
 
 class InvalidToken(ValidationError):
-    """Invaid token in list."""
+    """Invalid token in list."""
 
 class IConfigurationContext(Interface):
     """Configuration Context