diff --git a/src/wp-includes/widgets.php b/src/wp-includes/widgets.php
index 319798ed76..48d7f90979 100644
--- a/src/wp-includes/widgets.php
+++ b/src/wp-includes/widgets.php
@@ -819,7 +819,7 @@ function register_sidebar($args = array()) {
 	$sidebar = wp_parse_args( $args, $defaults );
 
 	if ( $id_is_empty ) {
-		/* translators: %1$s: the id argument, %2$s: sidebar name, %3$s: recommended id value  */
+		/* translators: 1: the id argument, 2: sidebar name, 3: recommended id value */
 		_doing_it_wrong( __FUNCTION__, sprintf( __( 'No %1$s was set in the arguments array for the "%2$s" sidebar. Defaulting to "%3$s". Manually set the %1$s to "%3$s" to silence this notice and keep existing sidebar content.' ), '<code>id</code>', $sidebar['name'], $sidebar['id'] ), '4.2.0' );
 	}