diff --git a/homeassistant/components/rfxtrx/strings.json b/homeassistant/components/rfxtrx/strings.json
index db4efad5bb4..d0a61540a53 100644
--- a/homeassistant/components/rfxtrx/strings.json
+++ b/homeassistant/components/rfxtrx/strings.json
@@ -105,15 +105,15 @@
               "sound_15": "Sound 15",
               "down": "Down",
               "up": "Up",
-              "all_off": "All Off",
-              "all_on": "All On",
+              "all_off": "All off",
+              "all_on": "All on",
               "scene": "Scene",
-              "off": "Off",
-              "on": "On",
+              "off": "[%key:common::state::off%]",
+              "on": "[%key:common::state::on%]",
               "dim": "Dim",
               "bright": "Bright",
-              "all_group_off": "All/group Off",
-              "all_group_on": "All/group On",
+              "all_group_off": "All/group off",
+              "all_group_on": "All/group on",
               "chime": "Chime",
               "illegal_command": "Illegal command",
               "set_level": "Set level",