index.html: new summary for xcsoar

index.html

@@ -21,11 +21,12 @@
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     <p>
-      XCSoar is a tactical glide computer originally developed for the
-      Pocket PC platform. In 2005, the originally commercial software was
-      given to the open-source community for further development and has
-      constantly been improved since. It is now a multi-platform application
-      that currently runs on Linux, Android and Windows devices.
+      XCSoar is an open-source flight navigation software designed for gliders and
+      other sailplanes. It provides features like a moving map, task planning,
+      airspace information, and thermal detection. The software helps pilots with
+      route optimization and offers real-time data on altitude, speed, and location.
+      It can be used on various devices, including tablets and smartphones, making it
+      versatile for both recreational and competitive flying.
     </p>
     <p>
       <a href="./discover/" title="Learn more about XCSoar">Learn more...</a>