fix docs

website/source/docs/builders/openstack.html.md

@@ -80,7 +80,7 @@ builder.
      cloud-init metadata.
 
 - `cert` (string) - Client certificate file path for SSL client authentication.
-    If omitted the OS_CERT environment variable is used.
+    If omitted the OS_CERT environment variable can be used.
 
 - `domain_name` or `domain_id` (string) - The Domain name or ID you are
     authenticating with. OpenStack installations require this if identity v3 is used.
@@ -105,8 +105,8 @@ builder.
 - `insecure` (boolean) - Whether or not the connection to OpenStack can be
     done over an insecure connection. By default this is false.
 
-- `key` (string) - Cleint private key file path for SSL client authentication.
-    If ommited the OS_KEY environment variable is used.
+- `key` (string) - Client private key file path for SSL client authentication.
+    If ommited the OS_KEY environment variable can be used.
 
 - `metadata` (object of key/value strings) - Glance metadata that will be
     applied to the image.