diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 845e75f1ffd89eabcb06fb7f0431f3bc21495145..de72f2b127a083ab8ad63381588e838e4eeda920 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -650,13 +650,14 @@ typedef u32 acpi_event_type;
  * The encoding of acpi_event_status is illustrated below.
  * Note that a set bit (1) indicates the property is TRUE
  * (e.g. if bit 0 is set then the event is enabled).
- * +-------------+-+-+-+
- * |   Bits 31:3 |2|1|0|
- * +-------------+-+-+-+
- *          |     | | |
- *          |     | | +- Enabled?
- *          |     | +--- Enabled for wake?
- *          |     +----- Set?
+ * +-------------+-+-+-+-+
+ * |   Bits 31:4 |3|2|1|0|
+ * +-------------+-+-+-+-+
+ *          |     | | | |
+ *          |     | | | +- Enabled?
+ *          |     | | +--- Enabled for wake?
+ *          |     | +----- Set?
+ *          |     +------- Has a handler?
  *          +----------- <Reserved>
  */
 typedef u32 acpi_event_status;