diff --git a/homeassistant/components/binary_sensor/strings.json b/homeassistant/components/binary_sensor/strings.json
index eb97b370105..e2167c24f8a 100644
--- a/homeassistant/components/binary_sensor/strings.json
+++ b/homeassistant/components/binary_sensor/strings.json
@@ -90,8 +90,8 @@
       "no_smoke": "{entity_name} stopped detecting smoke",
       "sound": "{entity_name} started detecting sound",
       "no_sound": "{entity_name} stopped detecting sound",
-      "is_tampered": "{entity_name} started detecting tampering",
-      "is_not_tampered": "{entity_name} stopped detecting tampering",
+      "tampered": "{entity_name} started detecting tampering",
+      "not_tampered": "{entity_name} stopped detecting tampering",
       "update": "{entity_name} got an update available",
       "no_update": "{entity_name} became up-to-date",
       "vibration": "{entity_name} started detecting vibration",