diff --git a/docs/framework/react/plugins/createAsyncStoragePersister.md b/docs/framework/react/plugins/createAsyncStoragePersister.md
index 671ac3a4672..d67e3f74fe3 100644
--- a/docs/framework/react/plugins/createAsyncStoragePersister.md
+++ b/docs/framework/react/plugins/createAsyncStoragePersister.md
@@ -93,9 +93,9 @@ interface CreateAsyncStoragePersisterOptions {
    * pass a time in ms to throttle saving the cache to disk */
   throttleTime?: number
   /** How to serialize the data to storage */
-  serialize?: (client: PersistedClient) => string
+  serialize?: (client: PersistedClient) => MaybePromise<string>
   /** How to deserialize the data from storage */
-  deserialize?: (cachedString: string) => PersistedClient
+  deserialize?: (cachedString: string) => MaybePromise<PersistedClient>
   /** How to retry persistence on error **/
   retry?: AsyncPersistRetryer
 }
@@ -108,6 +108,8 @@ interface AsyncStorage<TStorageValue = string> {
 }
 ```
 
+The `serialize` and `deserialize` callbacks can return their results synchronously or asynchronously as promises.
+
 The default options are:
 
 ```tsx