Merge branch '237-add-to-the-upgrade-instruction-to-install-all-the-new-repositories' into '1.4'

Resolve "add to the upgrade instruction to install all the new repositories"

See merge request fusiondirectory/user-manual!424

source/fusiondirectory/update/supported/1.3-1-to-1.4.rst

@@ -12,11 +12,13 @@ New Depot Configuration
 
    :ref:`fd-debian-repository-label`.
 
+   :ref:`fd-ubuntu-repository-label`.
+
    :ref:`fd-rpm-repository-label`.
 
 .. warning::
 
-    The gpg keys for FusionDirectory and Argonaut have been renewed
+    The gpg keys for FusionDirectory have been renewed
     so you need to install the new keys for the packages to install
     correctly