diff --git a/scripts/js/settings-advanced.js b/scripts/js/settings-advanced.js
index dc70f817..1d59a901 100644
--- a/scripts/js/settings-advanced.js
+++ b/scripts/js/settings-advanced.js
@@ -21,7 +21,7 @@ function addAllowedValues(allowed) {
   }
 
   if (typeof allowed === "string") {
-    return "<p><small>Allowed value: " + utils.escapeHtml(allowed) + "</small></p>";
+    return `<p class="small">Allowed value: ${utils.escapeHtml(allowed)}</p>`;
   }
 }