Merge pull request #3181 from mukulkandhari/patch-2

Update task.md | Fix grammar

Author: iliakan

1-js/05-data-types/04-array/2-create-array/task.md

@@ -8,7 +8,7 @@ Let's try 5 array operations.
 
 1. Create an array `styles` with items "Jazz" and "Blues".
 2. Append "Rock-n-Roll" to the end.
-3. Replace the value in the middle by "Classics". Your code for finding the middle value should work for any arrays with odd length.
+3. Replace the value in the middle with "Classics". Your code for finding the middle value should work for any arrays with odd length.
 4. Strip off the first value of the array and show it.
 5. Prepend `Rap` and `Reggae` to the array.