diff --git a/homeassistant/components/plugwise/strings.json b/homeassistant/components/plugwise/strings.json
index f74fc036e2a..20029298c4e 100644
--- a/homeassistant/components/plugwise/strings.json
+++ b/homeassistant/components/plugwise/strings.json
@@ -11,7 +11,10 @@
           "username": "Smile Username"
         },
         "data_description": {
-          "host": "Leave empty if using Auto Discovery"
+          "password": "The Smile ID printed on the label on the back of your Adam, Smile-T, or P1.",
+          "host": "The hostname or IP-address of your Smile. You can find it in your router or the Plugwise App.",
+          "port": "By default your Smile uses port 80, normally you should not have to change this.",
+          "username": "Default is `smile`, or `stretch` for the legacy Stretch."
         }
       }
     },