diff --git a/courses/ECSE-6510.html b/courses/ECSE-6510.html
index e9dbd7519..05910b28f 100644
--- a/courses/ECSE-6510.html
+++ b/courses/ECSE-6510.html
@@ -133,7 +133,7 @@
                     <li>Ali Tajer</li>
                   </ul>
                   <span class="course-capacity">
-                    Seats Taken: 17/30
+                    Seats Taken: 16/30
                   </span>
                 </div>
               </td>