diff --git a/tasmota/language/pl_PL.h b/tasmota/language/pl_PL.h
index 6301a4e1a..825448a04 100644
--- a/tasmota/language/pl_PL.h
+++ b/tasmota/language/pl_PL.h
@@ -827,7 +827,7 @@
 #define D_UNIT_PARTS_PER_BILLION "ppb"
 #define D_UNIT_PARTS_PER_DECILITER "ppd"
 #define D_UNIT_PARTS_PER_MILLION "ppm"
-
+#define D_UNIT_MILIGRAMS_PER_LITER "mg/L"
 #define D_UNIT_PERCENT "%%"
 #define D_UNIT_PRESSURE "hPa"
 #define D_UNIT_SECOND "sec"
diff --git a/tasmota/language/pt_BR.h b/tasmota/language/pt_BR.h
index e080577c5..68e4e4df1 100644
--- a/tasmota/language/pt_BR.h
+++ b/tasmota/language/pt_BR.h
@@ -827,8 +827,7 @@
 #define D_UNIT_PARTS_PER_BILLION "ppb"
 #define D_UNIT_PARTS_PER_DECILITER "ppd"
 #define D_UNIT_PARTS_PER_MILLION "ppm"
-
-
+#define D_UNIT_MILIGRAMS_PER_LITER "mg/L"
 #define D_UNIT_PERCENT "%%"
 #define D_UNIT_PRESSURE "hPa"
 #define D_UNIT_SECOND "s"