can't edit the html placeholder

verse/static/css/editor.css

@@ -44,3 +44,7 @@ iframe {
   width: 100%;
   height: 30em;
 }
+#html {
+  background-color: #60337F;
+  color: lightgrey;
+}

verse/templates/editor.html

@@ -4,7 +4,7 @@
     <div class="editareas">
       <div class="editarea editor">
         <fieldset class="required">
-          <textarea id="html" placeholder="Write some test HTML here">
+          <textarea id="html" placeholder="Write some test HTML here" readonly>
             {{htmlplaceholder}}
           </textarea>
         </fieldset>