<requestHandler name="/select" class="solr.SearchHandler">
    <!-- default values for query parameters can be specified, these
         will be overridden by parameters in the request
      -->
     <lst name="defaults">
       <str name="echoParams">explicit</str>
       <int name="rows">10</int>
       <str name="spellcheck">on</str>
       <str name="spellcheck.dictionary">default</str>
       <str name="spellcheck.collate">true</str>
     </lst>
     <!-- Add this to enable spellcheck -->
    <arr name="last-components">
      <str>spellcheck</str>
    </arr>
    </requestHandler>