diff --git a/content/docs/introducing-jsx.md b/content/docs/introducing-jsx.md
index 0cb427ce..06587881 100644
--- a/content/docs/introducing-jsx.md
+++ b/content/docs/introducing-jsx.md
@@ -158,7 +158,7 @@ const element = {
   type: 'h1',
   props: {
     className: 'greeting',
-    children: 'Hello, world'
+    children: 'Hello, world!'
   }
 };
 ```