diff --git a/README.md b/README.md
index a8dccbe..22fb5e2 100644
--- a/README.md
+++ b/README.md
@@ -151,16 +151,19 @@ a compatible UsbDevice.
 This library supports USB to serial converter chips:
 * FTDI FT232R, FT232H, FT2232H, FT4232H, FT230X, FT231X, FT234XD
 * Prolific PL2303
-* Silabs CP2102 and all other CP210x
+* Silabs CP2102, CP210*
 * Qinheng CH340, CH341A, CH9102
-* GsmModem devices, e.g. for Unisoc based Fibocom GSM modems
 
-and devices implementing the CDC/ACM protocol like
+devices implementing the CDC/ACM protocol like
 * Arduino using ATmega32U4
 * Digispark using V-USB software USB
 * BBC micro:bit using ARM mbed DAPLink firmware
 * ...
 
+and some device specific drivers:
+* GsmModem devices, e.g. for Unisoc based Fibocom GSM modems
+* Chrome OS CCD (Closed Case Debugging)
+
 ## Help & Discussion
 
 For common problems, see the [FAQ](https://github.com/mik3y/usb-serial-for-android/wiki/FAQ) wiki page.