diff --git a/handbook/troggle/troglaptop.html b/handbook/troggle/troglaptop.html
index 937db3db3..0106a7445 100644
--- a/handbook/troggle/troglaptop.html
+++ b/handbook/troggle/troglaptop.html
@@ -108,6 +108,8 @@ database. Sqlite3 is used by the test harness system.
 <p>We do <em>not</em> install Django at this point. We will be installing Django in a separate virtual 
 environment (a 'venv'), not in the main linux system.
 
+  <p><b>Buggeration:</b> The <var>sudo add-apt-repository ppa:deadsnakes/ppa</var> line <a href="https://opensource.com/article/22/9/deprecated-linux-apt-key">won't work</a> after Debian 11 or Ubuntu 22.04. So this handbook page will need to be changed to use the <a href="https://askubuntu.com/questions/1286545/what-commands-exactly-should-replace-the-deprecated-apt-key">new method</a>.
+
 <h2 id="links">Creating folders and soft links</h2>
 <p>We need to have the folder structure that troggle expects. On your own machine 
 you will have your own logon id, and you do not need to create an 'expo' user, but