diff --git a/_rules/role-required-states-and-properties-4e8ab6.md b/_rules/role-required-states-and-properties-4e8ab6.md
index 0d98e6f2f2..5aed259c61 100755
--- a/_rules/role-required-states-and-properties-4e8ab6.md
+++ b/_rules/role-required-states-and-properties-4e8ab6.md
@@ -78,7 +78,7 @@ This `heading` has the required `aria-level` property.
 This `checkbox` has the required `aria-checked` property.
 
 ```html
-<div role="checkbox" aria-checked="false"></div>
+<div role="checkbox" aria-checked="false" aria-labelledby="label"></div>
 <div id="label">Check me</div>
 ```