Web site update (#520)

Author: dvadym

index.html

@@ -50,12 +50,13 @@ <h3 class="c-tile__title">Flexible</h3>
   <img class="c-feature__image" src="{{ "/assets/images/utility-analysis.svg" | relative_url }}" width="579" height="345" alt="">
   <div>
     <h2 class="c-feature__title">Utility Analysis</h2>
+    <p class="c-feature__description">Makes PipelineDP more accessible and easier to use.</p>
     <ul class="c-feature__list">
       <li class="c-feature__item">Understand how PipelineDP changes your data</li>
       <li class="c-feature__item">Tune hyper parameters for increasing utility</li>
       <li class="c-feature__item">Audit massive datasets in an efficient, performant way</li>
     </ul>
-    <a class="c-button c-button--primary" href="https://github.com/{{ site.github_repository }}/tree/main/examples/utility_analysis_demo_for_PEPR_2024.ipynb">Learn more</a>
+    <a class="c-button c-button--primary" href="https://github.com/{{ site.github_repository }}/tree/main/examples/utility_analysis_demo_for_PEPR_2024.ipynb">Try demo in Colab</a>
   </div>
 </section>
 <section class="o-wrapper c-partners">