title: Spell Checker In TINYMCE Editor
body: <p>In my editor when i clicking on the spell checker it displays :</p>
  
  <pre><code>Please specify: spellchecker_rpc_url
  </code></pre>
  
  <p>This message displayed in alert box.</p>
  
  <p>What is the reason?</p>
  
  <p>Where should i set  spellchecker_rpc_url ?</p>