Update demos.html

public/demos.html

@@ -273,7 +273,7 @@
             <div class="avatar mx-auto">
               <img src="./imgs/avatar/DieterUckelmann.png" class="rounded-circle z-depth-1" width="150px">
             </div>
-            <h5 class="font-weight-bold mt-4 mb-3">Prof. Dr. Dieter Uckelmann</h5>
+            <h5 class="font-weight-bold mt-4 mb-3">Prof. Dr. Dieter UUckelmann</h5>
             <p class="text-uppercase blue-text"><strong>Research Group Leader</strong></p>
             <a href="https://www.hft-stuttgart.de/p/dieter-uckelmann" target="_blank">
               <button class="btn btn-primary btn-sm profile">See full profile</button>