fix plural example

README.md

@@ -20,7 +20,7 @@ Independent from the gettext implementation, your templates can contain translat
 <button>{{_ "Sign in"}}</button>
 
 <!-- and a simple plural example: -->
-<p>{{count}} {{_ "country" "countries" count}}</p>
+<p>{{count}} {{ngettext "country" "countries" count}}</p>
 ```
 
 Now, you need to get these strings into a translation application. This is where **handlebars-xgettext** comes in. It generates gettext (PO) files by parsing these strings out of your templates.