diff --git a/admin_manual/maintenance/package_upgrade.rst b/admin_manual/maintenance/package_upgrade.rst
index 57a0f2919..63cceb0ac 100644
--- a/admin_manual/maintenance/package_upgrade.rst
+++ b/admin_manual/maintenance/package_upgrade.rst
@@ -26,6 +26,8 @@ $ sudo snap install nextcloud
 
 **All other distros**
 
+(`be warned <https://github.com/nextcloud-snap/nextcloud-snap/wiki/Why-Ubuntu-is-the-only-supported-distro/>`_)
+
 * Go to https://docs.snapcraft.io/installing-snapd/6735
 * Type the command to install snapd
 * Install Nextcloud ($ sudo snap install nextcloud)