diff --git a/src/guide/web-components.md b/src/guide/web-components.md
index 47ae2a6a31..e75cfd91ce 100644
--- a/src/guide/web-components.md
+++ b/src/guide/web-components.md
@@ -209,8 +209,8 @@ const MyBar = defineCustomElement(Bar)
 export { MyFoo, MyBar }
 
 export function register() {
-  customElements.register('my-foo', MyFoo)
-  customElements.register('my-bar', MyBar)
+  customElements.define('my-foo', MyFoo)
+  customElements.define('my-bar', MyBar)
 }
 ```