More doc fixes

Author: hsubox76

packages-exp/app-check-exp/src/api.ts

@@ -34,7 +34,7 @@ export { ReCaptchaV3Provider, CustomProvider } from './providers';
 /**
  * Activate App Check for the given app. Can be called only once per app.
  * @param app - the FirebaseApp to activate App Check for
- * @param options - Provider implementation that can return an App Check token
+ * @param options - App Check initialization options
  * @public
  */
 export function initializeAppCheck(

packages-exp/app-check-exp/src/storage.ts

@@ -57,7 +57,7 @@ export function writeTokenToStorage(
   if (isIndexedDBAvailable()) {
     return writeTokenToIndexedDB(app, token).catch(e => {
       // swallow the error and resolve the promise
-      logger.warn(`Failed to write token to indexeddb. Error: ${e}`);
+      logger.warn(`Failed to write token to IndexedDB. Error: ${e}`);
     });
   }