Update FirebaseFunctions JavaDoc (#2271)

Co-authored-by: Rodrigo Lazo <[email protected]>

Author: 2 people

firebase-functions/src/main/java/com/google/firebase/functions/FirebaseFunctions.java

@@ -156,8 +156,8 @@ public void onProviderInstallFailed(int i, android.content.Intent intent) {
    * Creates a Cloud Functions client with the given app and region or custom domain.
    *
    * @param app The app for the Firebase project.
-   * @param regionOrCustomDomain The region or custom domain for the HTTPS trigger, such as
-   *     "us-central1" or "https://mydomain.com".
+   * @param regionOrCustomDomain The region or custom domain for the HTTPS trigger, such as {@code
+   *     "us-central1"} or {@code "https://mydomain.com"}.
    */
   @NonNull
   public static FirebaseFunctions getInstance(
@@ -184,8 +184,8 @@ public static FirebaseFunctions getInstance(@NonNull FirebaseApp app) {
   /**
    * Creates a Cloud Functions client with the default app and given region or custom domain.
    *
-   * @param regionOrCustomDomain The regionOrCustomDomain for the HTTPS trigger, such as
-   *     "us-central1" or "https://mydomain.com".
+   * @param regionOrCustomDomain The region or custom domain for the HTTPS trigger, such as {@code
+   *     "us-central1"} or {@code "https://mydomain.com"}.
    */
   @NonNull
   public static FirebaseFunctions getInstance(@NonNull String regionOrCustomDomain) {