Update UCP 2.1 docs

_data/toc.yaml

@@ -1273,8 +1273,8 @@ toc:
           title: Overview
         - path: /datacenter/dtr/2.2/reference/cli/backup/
           title: backup
-        - path: /datacenter/dtr/2.2/reference/cli/dumpcerts/
-          title: dumpcerts
+        - path: /datacenter/dtr/2.2/reference/cli/destroy/
+          title: destroy
         - path: /datacenter/dtr/2.2/reference/cli/images/
           title: images
         - path: /datacenter/dtr/2.2/reference/cli/install/

datacenter/ucp/2.1/guides/install/upgrade.md

@@ -53,13 +53,13 @@ You can upgrade UCP from the web UI or the CLI.
 To upgrade from the CLI, log into a UCP manager node using ssh, and run:
 
 ```
-# Check on Docker Hub which versions are available
-$ docker pull docker/ucp:<version>
+# Get the latest version of UCP
+$ docker pull docker/ucp:2.1.0-beta1
 
 $ docker run --rm -it \
   --name ucp \
   -v /var/run/docker.sock:/var/run/docker.sock \
-  docker/ucp:<version> \
+  docker/ucp:2.1.0-beta1 \
   upgrade --interactive
 ```