Fix typo (microsoft#43404)

* Fix typo

* Fix off baseline

Co-authored-by: Orta <git@orta.io>

Author: greg-finley

src/lib/es5.d.ts

@@ -1073,7 +1073,7 @@ interface ReadonlyArray<T> {
      */
     toString(): string;
     /**
-     * Returns a string representation of an array. The elements are converted to string using their toLocalString methods.
+     * Returns a string representation of an array. The elements are converted to string using their toLocaleString methods.
      */
     toLocaleString(): string;
     /**
@@ -1207,7 +1207,7 @@ interface Array<T> {
      */
     toString(): string;
     /**
-     * Returns a string representation of an array. The elements are converted to string using their toLocalString methods.
+     * Returns a string representation of an array. The elements are converted to string using their toLocaleString methods.
      */
     toLocaleString(): string;
     /**

tests/baselines/reference/completionEntryForUnionMethod.baseline

@@ -223,7 +223,7 @@
           ],
           "documentation": [
             {
-              "text": "Returns a string representation of an array. The elements are converted to string using their toLocalString methods.",
+              "text": "Returns a string representation of an array. The elements are converted to string using their toLocaleString methods.",
               "kind": "text"
             }
           ]