Fix typo in 'max' docstring (closes #1499)
Fix typo in 'max' docstring (closes #1499)

apache/groovy,apache/incubator-groovy,paulk-asert/groovy,paulk-asert/groovy,apache/incubator-groovy,apache/incubator-groovy,paulk-asert/groovy,paulk-asert/groovy,apache/groovy,apache/incubator-groovy,apache/groovy,apache/groovy