diff --git a/sonoff/language/en-GB.h b/sonoff/language/en-GB.h
index 9ac6c1fad..5f6f0d764 100644
--- a/sonoff/language/en-GB.h
+++ b/sonoff/language/en-GB.h
@@ -163,7 +163,14 @@
 #define D_USER "User"
 #define D_UTC_TIME "UTC"
 #define D_UV_INDEX "UV Index"
+#define D_UV_INDEX_2 "Mid"
+#define D_UV_INDEX_3 "High"
+#define D_UV_INDEX_4 "Danger"
+#define D_UV_INDEX_5 "BurnL1/2"
+#define D_UV_INDEX_6 "BurnL3"
+#define D_UV_INDEX_7 "OoR"
 #define D_UV_LEVEL "UV Level"
+#define D_UV_POWER "UV Power"
 #define D_VERSION "Version"
 #define D_VOLTAGE "Voltage"
 #define D_WARMLIGHT "Warm"
@@ -514,6 +521,7 @@
 #define D_UNIT_WATT "W"
 #define D_UNIT_WATTHOUR "Wh"
 #define D_UNIT_HERTZ "Hz"
+#define D_UNIT_WATT_METER_QUADRAT "W/m²"
 
 // Log message prefix
 #define D_LOG_APPLICATION "APP: "  // Application