diff --git a/content/components/sensor/scd4x.md b/content/components/sensor/scd4x.md
index 5f1cbbf617..7077270d2c 100644
--- a/content/components/sensor/scd4x.md
+++ b/content/components/sensor/scd4x.md
@@ -25,6 +25,9 @@ sensor:
       name: "Workshop Humidity"
 ```
 
+> [!WARNING]
+> The white membrane on the sensor must not be removed or tampered with [to ensure proper operation](https://community.home-assistant.io/t/scd41-question-white-tape-on-sensor/730240).
+
 ## Configuration variables
 
 - **co2** (*Optional*): The information for the CO₂ sensor.