Index: src/wp-admin/users.php
===================================================================
--- src/wp-admin/users.php	(revision 61710)
+++ src/wp-admin/users.php	(working copy)
@@ -683,7 +683,7 @@
 					break;
 				case 'err_admin_role':
 					$messages[] = wp_get_admin_notice(
-						__( 'The current user’s role must have user editing capabilities.' ),
+						__( 'You can’t change your own role to one that doesn’t allow managing other users. Your role was not changed.' ),
 						array(
 							'id'                 => 'message',
 							'additional_classes' => array( 'error' ),