diff --git a/src/wp-includes/class-wp-post-type.php b/src/wp-includes/class-wp-post-type.php
index 5be7a16ed4..c08ca5e5bc 100644
--- a/src/wp-includes/class-wp-post-type.php
+++ b/src/wp-includes/class-wp-post-type.php
@@ -309,7 +309,7 @@ final class WP_Post_Type {
 	 *
 	 * @since 4.6.0
 	 * @access public
-	 * @var array $cap
+	 * @var object $cap
 	 */
 	public $cap;