Update es5.d.ts (#45454)

* Update es5.d.ts

Fix grammar error.

* Update src/lib/es5.d.ts

* Update src/lib/es5.d.ts

Co-authored-by: Daniel Rosenwasser <DanielRosenwasser@users.noreply.github.com>

src/lib/es5.d.ts

@@ -1261,7 +1261,7 @@ interface Array<T> {
      * Sorts an array in place.
      * This method mutates the array and returns a reference to the same array.
      * @param compareFn Function used to determine the order of the elements. It is expected to return
-     * a negative value if first argument is less than second argument, zero if they're equal and a positive
+     * a negative value if the first argument is less than the second argument, zero if they're equal, and a positive
      * value otherwise. If omitted, the elements are sorted in ascending, ASCII character order.
      * ```ts
      * [11,2,22,1].sort((a, b) => a - b)