Update README.md

Author: jameskleeh

README.md

@@ -4,6 +4,8 @@ angular-confirm
 
 Confirm modal dialog for AngularJS
 
+To use ui-bootstrap < 0.14.x you must keep on the 1.1.x release track for this module
+
 This module requires the Angular-UI $modal service http://angular-ui.github.io/bootstrap/#/modal.
 
 [NPM](https://www.npmjs.com/package/angular-confirm)