diff --git a/homeassistant/components/plugwise/strings.json b/homeassistant/components/plugwise/strings.json
index d26e70d1c4f..fdbe8c39015 100644
--- a/homeassistant/components/plugwise/strings.json
+++ b/homeassistant/components/plugwise/strings.json
@@ -23,7 +23,7 @@
         },
         "data_description": {
           "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.",
+          "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."
         }