diff --git a/src/Symfony/Component/Lock/Store/RedisStore.php b/src/Symfony/Component/Lock/Store/RedisStore.php
index 496ce65778..39360de45c 100644
--- a/src/Symfony/Component/Lock/Store/RedisStore.php
+++ b/src/Symfony/Component/Lock/Store/RedisStore.php
@@ -71,6 +71,9 @@ class RedisStore implements StoreInterface
         $this->checkNotExpired($key);
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function waitAndSave(Key $key)
     {
         throw new InvalidArgumentException(sprintf('The store "%s" does not supports blocking locks.', \get_class($this)));