updated text about minetest

diff --git a/2021/registered/chill/index.html b/2021/registered/chill/index.html
index 1a317d370f859db557c9c3eff6061b6d372fbd8f..387ab66b8ff45b991dac99d3e1fe8d0648a0e228 100755 (executable)
--- a/2021/registered/chill/index.html
+++ b/2021/registered/chill/index.html
@@ -95,7 +95,9 @@ John Hsieh (FSF deputy director). The quiz is scheduled for Sunday the
 
 <a name="minetest"><h3>Minetest</h3></a>
 
-<p>We're running a Minetest server this year. To install Minetest
+<p>We're running a <a href="https://www.minetest.net/">Minetest</a> game server
+this year. Minetest is a classic and fun free software game in which players
+build with blocks, and craft items. To install Minetest
 <code>0.4</code> on Trisquel, run <strong><code>sudo apt-get install
 minetest</code></strong>.</p>