diff --git a/nx/include/switch/services/btdrv.h b/nx/include/switch/services/btdrv.h
index b878eed1..9e155085 100644
--- a/nx/include/switch/services/btdrv.h
+++ b/nx/include/switch/services/btdrv.h
@@ -670,9 +670,9 @@ Result btdrvGetHidReport(BtdrvAddress addr, u8 report_id, BtdrvBluetoothHhReport
  * @brief TriggerConnection
  * @note This is used by btm-sysmodule.
  * @param[in] addr \ref BtdrvAddress
- * @param[in] unk [9.0.0+] Unknown
+ * @param[in] timeout [9.0.0+] Host trigger timeout
  */
-Result btdrvTriggerConnection(BtdrvAddress addr, u16 unk);
+Result btdrvTriggerConnection(BtdrvAddress addr, u16 timeout);
 
 /**
  * @brief AddPairedDeviceInfo
diff --git a/nx/source/services/btdrv.c b/nx/source/services/btdrv.c
index f7ef1364..53b981b5 100644
--- a/nx/source/services/btdrv.c
+++ b/nx/source/services/btdrv.c
@@ -417,13 +417,13 @@ Result btdrvGetHidReport(BtdrvAddress addr, u8 report_id, BtdrvBluetoothHhReport
     return serviceDispatchIn(&g_btdrvSrv, 22, in);
 }
 
-Result btdrvTriggerConnection(BtdrvAddress addr, u16 unk) {
+Result btdrvTriggerConnection(BtdrvAddress addr, u16 timeout) {
     if (hosversionBefore(9,0,0)) return _btdrvCmdInAddrNoOut(addr, 23);
 
     const struct {
         BtdrvAddress addr;
-        u16 unk;
-    } in = { addr, unk };
+        u16 timeout;
+    } in = { addr, timeout };
 
     return serviceDispatchIn(&g_btdrvSrv, 23, in);
 }