diff --git a/leaderboard/medellin/index.html b/leaderboard/medellin/index.html
index b129134..cd78e21 100644
--- a/leaderboard/medellin/index.html
+++ b/leaderboard/medellin/index.html
@@ -348,7 +348,7 @@
           <a href='https://openstreetmap.org' target='_blank'><img src='https://wiki.openstreetmap.org/w/images/c/c8/Public-images-osm_logo.png' width=10vw height=10vh></a>
         </div> -->
         <div class='map-overlay-inner' id='menu2' style="width:50%;">
-                                   <label style='margin-top:1vh;'><font style="font-size:2vw;"><center><span id="challengeTitle" style="font-size:1.3vw;"></span><br> <span id="challengeDate" style="font-size:1vw;"></span></font><br><a href ="http://bit.ly/2sPWCxq" target="_blank">Instrucciones del #Mapathon</a><br><span id='slider-value'> </span></center></label>
+                                   <label style='margin-top:1vh;'><font style="font-size:2vw;"><center><span id="challengeTitle" style="font-size:1.3vw;"></span><br> <span id="challengeDate" style="font-size:1vw;"></span></font><br><a href ="https://forum.mapillary.com/t/mapathon-medellin/1075" target="_blank">Instrucciones del #Mapathon</a><br><span id='slider-value'> </span></center></label>
             <input id='slider' type='range' min='1' max='38' step='1' value='' style='margin-bottom:1vh;' />
             <script>
             var days = (Date.now()-mindate)/86400000; //CurrentDate - StartDate / days to convert from milliseconds to exact number of days