Update qnap.md

Signed-off-by: moodyblue <[email protected]>

installation/qnap.md

@@ -17,7 +17,7 @@ The easyest way is to install the [MyQNAP repo](https://www.myqnap.org/install-t
 
 QNAP NAS is based on Linux but it has limitations since it is not a full server. Therefore it is recommended to use [WinSCP](https://winscp.net/eng/index.php) to access `userdata`, `addons` and `conf` folders, etc.
 
-:::tip USB dongles
+### USB dongles
 
 USB dongles may work (or not). If not you may try [USB serial drivers](https://www.myqnap.org/product/usb-serial-drivers/) (preferrably from the MyQNAP repo)