Fix HTML formatting for Output Format section

Author: evazangerle

clef26/pan26-web/style-change-detection.html

@@ -104,7 +104,7 @@ <h3 id="input_format">Input Format</h3>
                 </li>
             </ol>
 
-            <h3 id="output_format">Output Format <!--[<a
+            <h3 id="output_format">Output Format</h3> <!--[<a
 href="https://github.com/pan-webis-de/pan-code/tree/master/clef25/multi-author-analysis/output_verifier/" target="_blank">validator</a>]</h3>-->
             <p>To evaluate the solutions for the tasks, the results have to be stored in a single file for each of the input documents and each of the datasets. Please note that we require a solution file to be generated for each input problem for each dataset. The data structure during the evaluation phase will be similar to that in the training phase, with the exception that the ground truth files are missing.</p>