diff --git a/docs/rules/role-supports-aria-props.md b/docs/rules/role-supports-aria-props.md
index 53c08ec45..77d7e22f6 100644
--- a/docs/rules/role-supports-aria-props.md
+++ b/docs/rules/role-supports-aria-props.md
@@ -13,7 +13,7 @@ This rule takes no arguments.
 ### Succeed
 ```jsx
 <!-- Good: the radiogroup role does support the aria-required property -->
-<ul role="radiogroup" aria-required aria-labelledby="foo">
+<ul role="radiogroup" aria-required="true" aria-labelledby="foo">
     <li tabIndex="-1" role="radio" aria-checked="false">Rainbow Trout</li>
     <li tabIndex="-1" role="radio" aria-checked="false">Brook Trout</li>
     <li tabIndex="0" role="radio" aria-checked="true">Lake Trout</li>