Fix spelling mistake.
@@ -28,7 +28,7 @@ Remember this needs to be declared on both sides of the definition::
The following cardinality classes are available::
- ZeroOMore (default), OneOrMore, ZeroOrOne, One
+ ZeroOrMore (default), OneOrMore, ZeroOrOne, One
If cardinality is broken by existing data a *CardinalityViolation* exception is raised.
On attempting to break a cardinality restriction a *AttemptedCardinalityViolation* is raised.
