Update README.md

Author: Vinhts

README.md

@@ -9,11 +9,7 @@
 
 IntelBluetoothFirmware is a Kernel Extension that uploads Intel Wireless Bluetooth Firmware to provide native Bluetooth in macOS.
 The firmware binary files are from the Linux Open Source Project.
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-After several months of public testing, it appears that the Kext is working well and stable.
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-[![Join the chat at https://gitter.im/OpenIntelWireless/itlwm](https://badges.gitter.im/OpenIntelWireless/IntelBluetoothFirmware.svg)](https://gitter.im/OpenIntelWireless/IntelBluetoothFirmware?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
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+macOS 26.5: This has been adjusted based on @Z3c0ld's findings. Thanks a lot, @Z3c0ld!
 ## Documentation
 
 **Please read the docs carefully before using the Kernel Extensions or submitting an Issue Report!**