PR comments

Author: lahirumaramba

src/phone-number-verification/phone-number-verification-api.ts

@@ -24,6 +24,7 @@ export interface PhoneNumberVerificationToken {
      * The issuer identifier for the issuer of the response.
      * This value is a URL with the format
      * `https://fpnv.googleapis.com/projects/<PROJECT_NUMBER>`, where `<PROJECT_NUMBER>` is the
+     * project number of your Firebase project, and the
      * same project number specified in the {@link PhoneNumberVerificationToken.aud} property.
      */
     iss: string;