Fix an example with a yaml syntax error.

cloud/digital_ocean

@@ -102,7 +102,8 @@ EXAMPLES = '''
       image_id=3
       wait_timeout=500
   register: my_droplet
-- debug: msg="ID: {{ my_droplet.droplet.id }} IP: {{ my_droplet.droplet.ip_address }}"
+- debug: msg="ID is {{ my_droplet.droplet.id }}"
+- debug: msg="IP is {{ my_droplet.droplet.ip_address }}"
 
 # Ensure a droplet is present
 # If droplet id already exist, will return the droplet details and changed = False