diff --git a/css-layout-api/Overview.bs b/css-layout-api/Overview.bs
index 5b03385a..b54c19de 100644
--- a/css-layout-api/Overview.bs
+++ b/css-layout-api/Overview.bs
@@ -316,7 +316,7 @@ The user agent <em>clear</em> the [=styleMap=] internal slot for a [=box=] when:
     <pre class='lang-javascript'>
         registerLayout('example', class {
             static inputProperties = ['--foo'];
-            static childrenInputProperties = ['--bar'];
+            static childInputProperties = ['--bar'];
             static layoutOptions = {
               childDisplay: 'normal',
               sizing: 'block-like'