Update template index.html

Fix typo

app/templates/index.html

@@ -108,7 +108,7 @@
             <div>
                 <h2>Code availability</h2>
                 The source code for all RAREFAN components is available in our <a href="https://gitlab.gwdg.de/mpievolbio-scicomp/repinpop" target="_blank" >gitlab repository</a>. To run RAREFAN on
-                your own hardware, download the latest standalone release from our <a href="https://owncloud.gwdg.de/index.php/s/dop3llgn6RSg6em" target="_blank">release server</a>. Instructions for installation and first usage of the line tool are given in <a href="https://owncloud.gwdg.de/index.php/s/3wWglQyabJ8wT4e">the README.txt document</a>.
+                your own hardware, download the latest standalone release from our <a href="https://owncloud.gwdg.de/index.php/s/dop3llgn6RSg6em" target="_blank">release server</a>. Instructions for installation and first usage of the command line tool are given in <a href="https://owncloud.gwdg.de/index.php/s/3wWglQyabJ8wT4e">the README.txt document</a>.
         </div>
     </div>
 {% endblock %}