Clarify that the Caps Lock led will never work

README.md

@@ -34,7 +34,11 @@ disabled by default) to disable the authentic battery validation check.
 
 With the patches included here, you can install the classic keyboard
 hardware on many xx30 series laptops and make almost every key work properly.
-The only keys that are not working are Fn+F3 (Battery) and Fn+F12 (Hibernate), and on some devices the Caps Lock LED (Caps Lock Indicator Light).
+The only keys that are not working are Fn+F3 (Battery) and Fn+F12 (Hibernate).
+
+The xx30 keyboards do not have a Caps Lock Indicator and the motherboard has
+no hardware support for a Caps Lock Indicator, so the replacement classic
+keyboard will never turn on the Indicator on any laptop.
 
 * A full writeup of the hardware modifications needed can be found at:
     http://www.thinkwiki.org/wiki/Install_Classic_Keyboard_on_xx30_Series_ThinkPads