fixed url and typo

Author: abhi98khandelwal

index.html

@@ -349,12 +349,12 @@ <h3 class="white-text">Sponsors</h3>
                                 </div>
                                 <div class="col s12 m12 l6">
                                     <center><h5 class="white-text">Sponsor</h5></center>
-                                    <center><a href="https:/bugsee.com" target="_blank"><img class="my-image" src="Sponsors/bugsee.png"></a></center>
+                                    <center><a href="https://bugsee.com" target="_blank"><img class="my-image" src="Sponsors/Bugsee.png"></a></center>
                                 </div>
                                 <div class="col s12 m12 l6">
                                     <center><h5 class="white-text">Design Partner</h5></center>
                                     <br>
-                                    <center><a href="https:/bugsee.com" target="_blank"><img class="my-image" src="Sponsors/Untitled-2.png"></a></center>
+                                    <center><a href="https://sketchapp.com/" target="_blank"><img class="my-image" src="Sponsors/Untitled-2.png"></a></center>
                                 </div>
                             </div>
                         </div>