diff --git a/docs/assets/plugins/metadata/metadata.js b/docs/assets/plugins/metadata/metadata.js
index 11b6d630f..44d7fb595 100644
--- a/docs/assets/plugins/metadata/metadata.js
+++ b/docs/assets/plugins/metadata/metadata.js
@@ -29,7 +29,7 @@
? `
-
+
${escapeHtml(attr)}
`