Add the id=main_search into <input type='text'> for the autocomplete

app/views/shared/application/_header.html.erb

@@ -37,7 +37,10 @@
           <div class="search-input">
             <form action="/search" method="get">
               <div class="input-group" id="search">
-                <input type="text" placeholder="buscar" class="form-control" name="query">
+                <input type="text" placeholder="buscar" class="form-control" name="query" id="main_search">
+
+
+
 
                 <div class="input-group-btn">
                   <button class="btn btn-default" type="submit"><i class="glyphicon glyphicon-search"></i></button>