diff --git a/src/lib/es5.d.ts b/src/lib/es5.d.ts
index 461d9897773..8fae5230d23 100644
--- a/src/lib/es5.d.ts
+++ b/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)