Docs: Belt partition description

Author: blckfalcon

pages/docs/manual/latest/api/belt/array.mdx

@@ -681,7 +681,7 @@ let partitionU: (array<'a>, (. 'a) => bool) => (array<'a>, array<'a>)
 let partition: (array<'a>, 'a => bool) => (array<'a>, array<'a>)
 ```
 
-`partition(f, a)` split array into tuple of two arrays based on predicate `f`; first of tuple where predicate cause true, second where predicate cause false
+`partition(xs, p)` split array into tuple of two arrays based on predicate `p`; first of tuple where predicate cause true, second where predicate cause false.
 
 ```res example
 Belt.Array.partition([1, 2, 3, 4, 5], (x) => mod(x, 2) == 0) == ([2, 4], [1, 3, 5])