Fix some markup ids

Author: keobox

index.html

@@ -89,7 +89,7 @@ <h2> >>> Next Meetup</h2>
             <div class="container 75%">
                 <div class="row">
                     <div class="12u 12u(mobile)">
-                        <a id="py_mi_link_eventbrite" href="https://pymi.eventbrite.com" class="button big scrolly">Subscribe in Eventbrite</a>
+                        <a id="pymi_link_eventbrite" href="https://pymi.eventbrite.com" class="button big scrolly">Subscribe in Eventbrite</a>
                     </div>
                 </div>
             </div>
@@ -104,7 +104,7 @@ <h2> >>> Next Meetup</h2>
             <div class="container 75%">
                 <div class="row">
                     <div class="12u 12u(mobile)">
-                        <a id="pymi_link_meetup" href="https://www.meetup.com/pydata-milano" class="button big scrolly">PyData Milan</a>
+                        <a id="pydata_link_meetup" href="https://www.meetup.com/pydata-milano" class="button big scrolly">PyData Milan</a>
                     </div>
                 </div>
             </div>