Update README.md

README.md

@@ -99,7 +99,7 @@ The function output is dictated by the function itself.
 | first()    | Provides the first item of an array                                                  | Depends on the array |
 | last()     | Provides the last item of an array                                                   | Depends on the array |
 | index(X)   | Provides the item of an array of index: X, if the X is negative, take from backwards | Depends on the array |
-| distinct() | Provides an array containing only unique items from the input array                  | List<E> |
+| distinct() | Provides an array containing only unique items from the input array                  | List<E>              |
 Filter Operators
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