diff --git a/docs/index.md b/docs/index.md
index b0cbc2302e..9f886f6443 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -1000,7 +1000,11 @@ Options:
 The DigitalOcean driver will use `ubuntu-14-04-x64` as the default image.
 
 #### Generic
-Create machines using an existing VM/Host with SSH
+Create machines using an existing VM/Host with SSH.
+
+This is useful if you are using a provider that Machine does not support
+directly or if you would like to import an existing host to allow Docker
+Machine to manage.
 
 Options:
 
@@ -1009,7 +1013,7 @@ Options:
  - `--generic-ssh-key`: Path to the SSH user private key
  - `--generic-ssh-port`: Port to use for SSH (default: `22`)
 
-> Note: you must use a base Operating System supported by Machine
+> Note: you must use a base Operating System supported by Machine.
 
 #### Google Compute Engine
 Create machines on [Google Compute Engine](https://cloud.google.com/compute/).  You will need a Google account and project name.  See https://cloud.google.com/compute/docs/projects for details on projects.