diff --git a/php/public/index.php b/php/public/index.php
index 2c1acaf2..163fb634 100644
--- a/php/public/index.php
+++ b/php/public/index.php
@@ -48,6 +48,7 @@ $app->add(new \AIO\Middleware\AuthMiddleware($container->get(\AIO\Auth\AuthManag
 
 // API
 $app->post('/api/docker/watchtower', AIO\Controller\DockerController::class . ':StartWatchtowerContainer');
+$app->get('/api/docker/getwatchtower', AIO\Controller\DockerController::class . ':StartWatchtowerContainer');
 $app->post('/api/docker/start', AIO\Controller\DockerController::class . ':StartContainer');
 $app->post('/api/docker/backup', AIO\Controller\DockerController::class . ':StartBackupContainerBackup');
 $app->post('/api/docker/backup-check', AIO\Controller\DockerController::class . ':StartBackupContainerCheck');
diff --git a/php/src/Docker/DockerHubManager.php b/php/src/Docker/DockerHubManager.php
index 9bbd776c..e0bcb03a 100644
--- a/php/src/Docker/DockerHubManager.php
+++ b/php/src/Docker/DockerHubManager.php
@@ -23,6 +23,8 @@ class DockerHubManager
             return $cachedVersion;
         }
 
+        // If one of the links below should ever become outdated, we can still upgrade the mastercontainer via the webinterface manually by opening '/api/docker/getwatchtower'
+
         try {
             $authTokenRequest = $this->guzzleClient->request(
                 'GET',