Update index.html

Author: kia-z

index.html

@@ -59,7 +59,7 @@ <h2 class="text-center" style="padding-top: 90px; padding-bottom: 30px"> Museum
       <!-- intro -->
       <p>This map aims to show the digital initatives undertaken by museums during the COVID-19
         pandemic. <br /> There are lists of various types of projects and Twitter data collections:
-        on the top-right corner of the map, there is a control to select and filter the categories. You can discover more about this project in the <a href="About.html">About page</a>.
+        on the top-right corner of the map, there is a control to select and filter the categories. You can discover more about this project in the <a href="about.html">About page</a>.
         <!--   It is envisioned as the first step in a research on museum digital strategies and digital engagement practices during this period, 
     led by Dr Chiara Zuanni at the University of Graz. -->
       </p>