diff --git a/homeassistant/components/bsblan/strings.json b/homeassistant/components/bsblan/strings.json
index b27be62e052c..7fceeeeee005 100644
--- a/homeassistant/components/bsblan/strings.json
+++ b/homeassistant/components/bsblan/strings.json
@@ -85,10 +85,10 @@
   "entity": {
     "sensor": {
       "current_temperature": {
-        "name": "Current Temperature"
+        "name": "Current temperature"
       },
       "outside_temperature": {
-        "name": "Outside Temperature"
+        "name": "Outside temperature"
       }
     }
   }
diff --git a/tests/components/bsblan/snapshots/test_sensor.ambr b/tests/components/bsblan/snapshots/test_sensor.ambr
index eb80858eb5de..dc775330e605 100644
--- a/tests/components/bsblan/snapshots/test_sensor.ambr
+++ b/tests/components/bsblan/snapshots/test_sensor.ambr
@@ -29,7 +29,7 @@
     }),
     'original_device_class': <SensorDeviceClass.TEMPERATURE: 'temperature'>,
     'original_icon': None,
-    'original_name': 'Current Temperature',
+    'original_name': 'Current temperature',
     'platform': 'bsblan',
     'previous_unique_id': None,
     'suggested_object_id': None,
@@ -43,7 +43,7 @@
   StateSnapshot({
     'attributes': ReadOnlyDict({
       'device_class': 'temperature',
-      'friendly_name': 'BSB-LAN Current Temperature',
+      'friendly_name': 'BSB-LAN Current temperature',
       'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
       'unit_of_measurement': <UnitOfTemperature.CELSIUS: '°C'>,
     }),
@@ -85,7 +85,7 @@
     }),
     'original_device_class': <SensorDeviceClass.TEMPERATURE: 'temperature'>,
     'original_icon': None,
-    'original_name': 'Outside Temperature',
+    'original_name': 'Outside temperature',
     'platform': 'bsblan',
     'previous_unique_id': None,
     'suggested_object_id': None,
@@ -99,7 +99,7 @@
   StateSnapshot({
     'attributes': ReadOnlyDict({
       'device_class': 'temperature',
-      'friendly_name': 'BSB-LAN Outside Temperature',
+      'friendly_name': 'BSB-LAN Outside temperature',
       'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
       'unit_of_measurement': <UnitOfTemperature.CELSIUS: '°C'>,
     }),