Improved README spacing for better readability.

Author: thgreasi

README.md

@@ -33,7 +33,7 @@ Apply the directive to your form elements:
 
 * `ng-model` is required, so that the directive knows which model to update.
 * `ui-sortable` element should only contain one `ng-repeat` and not any other elements (above or below).  
-  Otherwise the index matching of the generated DOM elements and the `ng-model`'s items will break.
+  Otherwise the index matching of the generated DOM elements and the `ng-model`'s items will break.  
   **In other words: The items of `ng-model` must match the indexes of the genretated DOM elements.**
 * `ui-sortable` lists containing many 'types' of items can be implemented by using [dynamic template loading with ng-include](http://stackoverflow.com/questions/14607879/angularjs-load-dynamic-template-html-within-directive/14621927#14621927), to determine how each model item should be rendered.