Update public/index.html

public/index.html

@@ -417,7 +417,7 @@
             <a href="https://www.hft-stuttgart.de/p/salam-traboulsi" target="_blank">
               <button class="btn btn-primary btn-sm profile">See full profile</button>
             </a>
-            <p class="grey-text">Research topics: Smart Cities | Sensors & IoT | 5G | Machine Learning | Systems Evaluation | Eco-efficient Systems</p>
+            <p class="grey-text">Research topics: Smart Cities | Sensors & IoT | AI </p>
             <ul class="list-unstyled mb-0">
               <a class="p-2 fa-lg" href="https://www.researchgate.net/profile/Salam-Traboulsi" target="_blank">
                 <i class="fab fa-researchgate"></i>