diff --git a/config.yaml b/config.yaml
index a92389a1..965c25d7 100644
--- a/config.yaml
+++ b/config.yaml
@@ -18,25 +18,19 @@ options:
     description: |
       Repository from which to install. May be one of the following:
       distro (default), ppa:somecustom/ppa, a deb url sources entry,
-      or a supported Cloud Archive release pocket.
-      .
-      Supported Cloud Archive sources include:
+      or a supported Ubuntu Cloud Archive e.g.
       .
       cloud:<series>-<openstack-release>
       cloud:<series>-<openstack-release>/updates
       cloud:<series>-<openstack-release>/staging
       cloud:<series>-<openstack-release>/proposed
       .
-      For series=Precise we support cloud archives for openstack-release:
-         * icehouse
-      .
-      For series=Trusty we support cloud archives for openstack-release:
-         * juno
-         * kilo
-         * ...
+      See https://wiki.ubuntu.com/OpenStack/CloudArchive for info on which
+      cloud archives are available and supported.
       .
       NOTE: updating this setting to a source that is known to provide
-      a later version of OpenStack will trigger a software upgrade.
+      a later version of OpenStack will trigger a software upgrade unless
+      action-managed-upgrade is set to True.
   openstack-origin-git:
     type: string
     default: