fixed a syntax error in documentation example

README.markdown

@@ -45,7 +45,7 @@ embedded in them, as well as the text for a link:
     });
 
     var context = { posts: [{url: "/hello-world", body: "Hello World!"}] };
-    var source = "<ul>{{#posts}}<li>{{{link_to this}}}</li></ul>"
+    var source = "<ul>{{#posts}}<li>{{{link_to this}}}</li>{{/posts}}</ul>"
 
     var template = Handlebars.compile(source);
     template(context);