typo

index.html

@@ -95,7 +95,7 @@
       <li>Slides
         <ul>
           <li><a href="Introduction-to-Pandas--slides.pdf">PDF</a> (exported from HTML presentation; imperfect)</li>
-          <!-- <li>PDF to be added (exported from HTML presentation; imperfect)</li> --> -->
+          <!-- <li>PDF to be added (exported from HTML presentation; imperfect)</li> -->
           <li><a href="Introduction-to-Pandas--slides.ipynb">Jupyter Notebook</a> (via <a href="https://nbviewer.jupyter.org/urls/penke3.pages.jsc.fz-juelich.de/jsc-pandas-introduction/Introduction-to-Pandas--slides.ipynb">nbviewer</a>)</li>
           <li>HTML presentation bundle: <a href="pandas-tutorial-slides-bundle.tar.gz"><code>.tar.gz</code></a>, <a href="pandas-tutorial-slides-bundle.zip"><code>.zip</code></a></li>
         </ul>