README.md: fix formatting of heading levels for BLE section

README.md

@@ -139,9 +139,9 @@ After powering on the device for the first time with _IronOS_ installed and havi
 
 Additional details are described in the [menu information](https://ralim.github.io/IronOS/Menu/).
 
-# Remote Control
+## Remote Control
 
-## Pinecil V2 only
+### Pinecil V2 only
 
 Pinecil V2 has [_Bluetooth Low Energy_ module](https://ralim.github.io/IronOS/Bluetooth), which is supported by _IronOS_ since `2.21` release to control some of the settings using additional tools like [PineSAM](https://github.com/builder555/PineSAM) or [PineTool](https://github.com/lachlanbell/PineTool). In `2.21` and `2.22` releases the module was _on_ by default. However, **_Bluetooth_ is turned off in the settings by default in current `dev` builds and for the next releases** [due to security concerns](#1856).[^ble]
 
@@ -191,6 +191,6 @@ Other components such as _FreeRTOS_ and _USB-PD_ have their own licenses.
 
 ## Commercial Use
 
-This software is provided "AS IS", so I cannot provide any commercial support for the firmware.
+This software is provided _**"AS IS"**_, so I cannot provide any commercial support for the firmware.
 However, you are more than welcome to distribute links to the firmware or provide hardware with this firmware.
 **Please do not re-host the files, but rather link to this page, so that there are no old versions of the firmware scattered around**.