diff --git a/doc/reference/autoinstall-reference.rst b/doc/reference/autoinstall-reference.rst
index b18f2b6bf..84441a323 100644
--- a/doc/reference/autoinstall-reference.rst
+++ b/doc/reference/autoinstall-reference.rst
@@ -267,7 +267,15 @@ proxy
 * **default:** no proxy
 * **can be interactive:** true
 
-The proxy to configure both during installation and for ``apt`` and ``snapd`` in the target system.
+The proxy to configure both during installation and for ``apt`` and ``snapd`` in the target system. This setting is currently not honoured when running the geoip lookup.
+
+Example:
+
+```
+.. code-block:: yaml
+
+    autoinstall:
+      proxy: http://172.16.90.1:3128
 
 .. _ai-apt: