diff --git a/components/sensor/ccs811.rst b/components/sensor/ccs811.rst
index 2ab3a2e43..9d9cdf615 100644
--- a/components/sensor/ccs811.rst
+++ b/components/sensor/ccs811.rst
@@ -8,6 +8,12 @@ CCS811 CO_2 and Volatile Organic Compound Sensor
 The ``ccs811`` sensor platform allows you to use CCS811 CO_2 and volatile organic compound sensors
 (`Adafruit`_) with ESPHome.
 
+.. note::
+
+    Most CCS811 modules require the WAK pin to be pulled low to wake up the sensor, as outlined in the data sheets.  
+    Outside low-power scenarios, connecting WAK to ground is the recommended configuration. For low power installations, 
+    pulling WAK low should happen in software prior to taking the measures.
+    
 .. figure:: images/ccs811-full.jpg
     :align: center
     :width: 50.0%