diff --git a/include/hardware/sensors.h b/include/hardware/sensors.h
index c872d8e9..322abe6a 100644
--- a/include/hardware/sensors.h
+++ b/include/hardware/sensors.h
@@ -798,6 +798,7 @@ enum {
 /**
  * SENSOR_TYPE_DYNAMIC_SENSOR_META
  * trigger-mode: special
+ * wake-up sensor: yes
  *
  * A sensor event of this type is received when a dynamic sensor is added to or removed from the
  * system. At most one sensor of this type can be present in one sensor HAL implementation and
@@ -829,6 +830,8 @@ enum {
  * sensor_t, but the UUID should be unique and persistent for each individual unit. An all zero UUID
  * indicates it is not possible to differentiate individual sensor unit.
  *
+ * It is recommended to implement this type as wake up sensor.
+ *
  */
 #define SENSOR_TYPE_DYNAMIC_SENSOR_META                         (32)
 #define SENSOR_STRING_TYPE_DYNAMIC_SENSOR_META                  "android.sensor.dynamic_sensor_meta"