Fix doc typos at Array Functions and Operators
@@ -94,7 +94,7 @@ Array Functions
.. function:: arrays_overlap(x, y) -> boolean
- Tests if arrays ``x`` and ``y`` have any any non-null elements in common.
+ Tests if arrays ``x`` and ``y`` have any non-null elements in common.
Returns null if there are no non-null elements in common but either array contains null.
.. function:: cardinality(x) -> bigint
