diff --git a/content/docs/portals.md b/content/docs/portals.md
index d0080447..4c0a7908 100644
--- a/content/docs/portals.md
+++ b/content/docs/portals.md
@@ -35,7 +35,7 @@ render() {
   // `domNode` is any valid DOM node, regardless of its location in the DOM.
   return ReactDOM.createPortal(
     this.props.children,
-    domNode,
+    domNode
   );
 }
 ```