Fixed misspelling and updated comment a bit

src/realm/object-store/sync/app.cpp

@@ -1176,10 +1176,11 @@ void App::post(std::string&& route, UniqueFunction<void(Optional<AppError>)>&& c
 
 void App::do_request(std::unique_ptr<Request>&& request, IntermediateCompletion&& completion, bool update_location)
 {
-    // NOTE: Since the calls to `send_request_to_server()` or `upldate_location_and_resend()` do not
+    // NOTE: Since the calls to `send_request_to_server()` or `update_location_and_resend()` do not
     // capture a shared_ptr to App as part of their callback, any function that calls `do_request()`
-    // needs to capture the App as `self = shared_from_this()` to ensure the lifetime of the App
-    // object is extended until the callback is called after the operation is complete.
+    // or `do_authenticated_request()` needs to capture the App as `self = shared_from_this()` for
+    // the completion callback to ensure the lifetime of the App object is extended until the
+    // callback is called after the operation is complete.
 
     // Verify the request URL to make sure it is valid
     if (auto valid_url = util::Uri::try_parse(request->url); !valid_url.is_ok()) {