Fixes for typos & formatting in comments

Author: DellaBitta

packages/app/src/firebaseServerApp.ts

@@ -93,12 +93,12 @@ export class FirebaseServerAppImpl
       ...serverConfig
     };
 
-    // Ensure that the current time is within the authIdtoken window of validity.
+    // Ensure that the current time is within the `authIdtoken` window of validity.
     if (this._serverConfig.authIdToken) {
       validateTokenTTL(this._serverConfig.authIdToken, 'authIdToken');
     }
 
-    // Ensure that the current time is within the appCheckToken window of validity.
+    // Ensure that the current time is within the `appCheckToken` window of validity.
     if (this._serverConfig.appCheckToken) {
       validateTokenTTL(this._serverConfig.appCheckToken, 'appCheckToken');
     }

packages/app/src/public-types.ts

@@ -197,8 +197,8 @@ export interface FirebaseServerAppSettings
   authIdToken?: string;
 
   /**
-   * An optional App Check token. If provided, the Firebase SDKs that use App Check will utilizze
-   * this App Check token in lieu of requiring an instance of App Check to be initialized.
+   * An optional App Check token. If provided, the Firebase SDKs that use App Check will utilize
+   * this App Check token in place of requiring an instance of App Check to be initialized.
    */
   appCheckToken?: string;