diff --git a/homeassistant/components/adax/strings.json b/homeassistant/components/adax/strings.json
index 0cb60dceac9..6157b7dfc91 100644
--- a/homeassistant/components/adax/strings.json
+++ b/homeassistant/components/adax/strings.json
@@ -9,8 +9,8 @@
       },
       "local": {
         "data": {
-          "wifi_ssid": "Wifi ssid",
-          "wifi_pswd": "Wifi password"
+          "wifi_ssid": "Wi-Fi SSID",
+          "wifi_pswd": "Wi-Fi Password"
         },
         "description": "Reset the heater by pressing + and OK until display shows 'Reset'. Then press and hold OK button on the heater until the blue led starts blinking before pressing Submit. Configuring heater might take some minutes."
       },