fix typo

index.html

@@ -55,7 +55,12 @@ <h1 class="title is-1 publication-title">Uni-OVSeg: Open-Vocabulary Segmentation
               <a href="https://czyczyyzc.github.io/">Ziye Chen</a><sup>2</sup>&nbsp;&nbsp;
               Xiao He<sup>4</sup>&nbsp;&nbsp;
               <a href="https://scholar.google.com/citations?user=fWDoWsQAAAAJ">Yandong Guo</a><sup>4</sup>&nbsp;&nbsp;
-              <a href="https://mingming-gong.github.io/">Mingming Gong</a><sup>2,3😎</sup>&nbsp;&nbsp;
+              </span>
+            </div>
+
+            <div class="is-size-5 publication-authors">
+              <span class="author-block">
+              <a href="https://mingming-gong.github.io/">Mingming Gong</a><sup>2,3,😎</sup>&nbsp;&nbsp;
               <a href="https://tongliang-liu.github.io">Tongliang Liu</a><sup>1,😎</sup>
               </span>
             </div>