providers_docker.yml in vagrant-unbundled-1.9.8.1

- old
+ new

@@ -143,9 +143,11 @@
           "build_dir" must exist and contain a Dockerfile
         build_dir_or_image: |-
           One of "build_dir" or "image" must be set
         compose_configuration_hash: |-
           "compose_configuration" must be a hash
+        compose_force_vm: |-
+          Docker compose is not currently supported from within proxy VM.
         create_args_array: |-
           "create_args" must be an array
         invalid_link: |-
           Invalid link (should be 'name:alias'): "%{link}"
         invalid_vagrantfile: |-