en.yml in vagrant-docker-compose-0.0.2

- old
+ new

@@ -1,7 +1,8 @@
 en:
   errors:
     yml_must_be_absolute: Docker Compose YML path must be absolute!
+    install_failed: Docker Compose installation failed
   not_supported_on_guest: Not supported on the guest operating system
   checking_installation: Checking for Docker Compose installation...
   installing: Installing Docker Compose
   docker_compose_up: Running docker-compose up...
   docker_compose_rm: Running docker-compose rm...