diff --git a/core/core.libraries.yml b/core/core.libraries.yml
index 673f83e..641041a 100644
--- a/core/core.libraries.yml
+++ b/core/core.libraries.yml
@@ -286,7 +286,7 @@ hint.css:
   version: 1.3.1
   css:
     component:
-      assets/vendor/hint.css/hint.css: { }
+      assets/vendor/hint.css/hint.css: {}
 
 jquery:
   remote: https://github.com/jquery/jquery