diff --git a/src/bluetooth.h b/src/bluetooth.h
index 5916dd650..71413638d 100644
--- a/src/bluetooth.h
+++ b/src/bluetooth.h
@@ -441,7 +441,7 @@ typedef enum {
 #define HCI_EVENT_VENDOR_SPECIFIC                          0xFF
 
 /** 
- * @format 11211B2221
+ * @format 11H11B2221
  * @param subevent_code
  * @param status
  * @param connection_handle
diff --git a/src/btstack_defines.h b/src/btstack_defines.h
index 556ea9442..413f6c89c 100644
--- a/src/btstack_defines.h
+++ b/src/btstack_defines.h
@@ -767,9 +767,10 @@ typedef uint8_t sm_key_t[16];
 // #define HCI_EVENT_SM_META                                  0xxx
 
 /**
- * @format 11
+ * @format 11H
  * @param subevent_code
  * @param status 0 == OK
+ * @param handle
  */
 #define HSP_SUBEVENT_AUDIO_CONNECTION_COMPLETE             0x01