diff --git a/docs/components/helpers.md b/docs/components/helpers.md
index 2717f62b80..21a145962f 100644
--- a/docs/components/helpers.md
+++ b/docs/components/helpers.md
@@ -160,6 +160,7 @@ The `.invisible` class can be used to toggle only the visibility of an element,
 .element {
   .invisible();
 }
+{% endhighlight %}
 
 ### Screen readers and keyboard navigation