Update find-duplicates-in-an-array

Author: arunimaChintu

dsa-solutions/gfg-solutions/Easy problems/find-duplicates-in-an-array

@@ -14,8 +14,9 @@ description: "This tutorial covers the solution to the Find Duplicates in an Arr
 
 Given an array `arr` of size `n` which contains elements in the range from 0 to `n-1`, you need to find all the elements occurring more than once in the given array. Return the answer in ascending order. If no such element is found, return a list containing [-1].
 
-Note: Try and perform all operations within the provided array. The extra (non-constant) space needs to be used only for the array to be returned.
-
+:::note
+ Try and perform all operations within the provided array. The extra (non-constant) space needs to be used only for the array to be returned.
+:::
 ## Examples
 
 **Example 1:**