diff --git a/Climate/bosch_bth-ra_control_dev.yaml b/Climate/bosch_bth-ra_control_dev.yaml
index 6ad28ca..3ef97e7 100644
--- a/Climate/bosch_bth-ra_control_dev.yaml
+++ b/Climate/bosch_bth-ra_control_dev.yaml
@@ -1,3 +1,4 @@
+mode: single
 blueprint:
   name: Bosch BTH-RA Radiator Control
   description: >
@@ -79,18 +80,18 @@ variables:
   remote_temperature_entity: >
     {% set entities = device_entities(device_id(trv)) %}
     {% set remote_temperature_entity_id = namespace(id='') %}
-    {% for s in entities %}
-      {% if 'remote_temperature' in s %}
-        {% set remote_temperature_entity_id.id = s %}
+    {% for entity in entities %}
+      {% if 'remote_temperature' in entity %}
+        {% set remote_temperature_entity_id.id = entity %}
       {% endif %}
     {% endfor %}
     {{ remote_temperature_entity_id.id }}
   window_detection_entity: >
     {% set entities = device_entities(device_id(trv)) %}
     {% set window_detection_entity_id = namespace(id='') %}
-    {% for s in entities %}
-      {% if 'window_detection' in s %}
-        {% set window_detection_entity_id.id = s %}
+    {% for entity in entities %}
+      {% if 'window_detection' in entity %}
+        {% set window_detection_entity_id.id = entity %}
       {% endif %}
     {% endfor %}
     {{ window_detection_entity_id.id }}