fixed root index

Author: Anmol53

README.md

@@ -166,7 +166,7 @@ If found helpful please press a ⭐.
 |Strings|[Two Strings](https://www.hackerrank.com/challenges/two-strings)|[Solution.c](https://github.com/Anmol53/Hackerrank-Problem-Solving/blob/master/Strings/TwoStrings.c)|[]()|[]()|Easy|25|
 |Strings|[Weighted Uniform Strings](https://www.hackerrank.com/challenges/weighted-uniform-string)|[]()|[Solution.java](https://github.com/Anmol53/Hackerrank-Problem-Solving/blob/master/Strings/WeightedUniformStrings.java)|[]()|Easy|20|
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-|Sorting|[Alternating Characters](https://www.hackerrank.com/challenges/big-sorting)|[]()|[Solution.java](https://github.com/Anmol53/Hackerrank-Problem-Solving/blob/master/Sorting/BigSorting.java)|[]()|Easy|20|
+|Sorting|[Big Sorting](https://www.hackerrank.com/challenges/big-sorting)|[]()|[Solution.java](https://github.com/Anmol53/Hackerrank-Problem-Solving/blob/master/Sorting/BigSorting.java)|[]()|Easy|20|
 |Sorting|[Find the Median](https://www.hackerrank.com/challenges/find-the-median)|[Solution.c](https://github.com/Anmol53/Hackerrank-Problem-Solving/blob/master/Sorting/FindTheMedian.c)|[]()|[]()|Easy|35|
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 |Search|[Connected Cells In A Grid](https://www.hackerrank.com/challenges/connected-cell-in-a-grid)|[]()|[Solution.java](https://github.com/Anmol53/Hackerrank-Problem-Solving/blob/master/Search/ConnectedCellsInAGrid.java)|[]()|Medium|50|