Patch naming issue

common/lib/capa/capa/templates/openendedinput.html

@@ -31,7 +31,7 @@
     % if status in ['correct','incorrect']:
     <section id="evaluation_${id}" class="evaluation">
         Score Evaluation:
-        <textarea rows="${rows}" cols="${cols}" name="input_${id}" class="feedback-on-feedback" id="input_${id}"></textarea>
+        <textarea rows="${rows}" cols="${cols}" name="feedback_${id}" class="feedback-on-feedback" id="feedback_${id}"></textarea>
         <input name="submit-message" class="submit-message" type="button" value="Submit your message"/>
     </section>
     % endif