🖊️ Update Readme

Author: valnoxy

README.md

@@ -200,7 +200,7 @@ After adding serials to your config.plist, you have to add the computer's MAC ad
 Delete the generic ```112233445566``` value, and enter your MAC address into the field, without any colons. Save the Plist file, and it is now ready to be written out to the EFI partition of your install media.
 
 #### Default keyboard layout and language
-The default keyboard layout and language is ```German```. To change the language, edit the value of ```NVRAM -> Add -> 7C436110-AB2A-4BBB-A880-FE41995C9F82 -> prev-lang:kbd``` to the value of your language. You can find a list of all language values [here](https://github.com/acidanthera/OpenCorePkg/blob/master/Utilities/AppleKeyboardLayouts/AppleKeyboardLayouts.txt).
+The default keyboard layout and language is ```German```. To change the language, edit the value of ```NVRAM -> Add -> 7C436110-AB2A-4BBB-A880-FE41995C9F82 -> prev-lang:kbd``` to the value of your language. If your value contains an underscore ```_```, replace it with a hyphen ```-```. The value for English would be ```en-US:0```. You can find a list of all language values [here](https://github.com/acidanthera/OpenCorePkg/blob/master/Utilities/AppleKeyboardLayouts/AppleKeyboardLayouts.txt).
 
 ### Install OpenCore
 After you've finished with the neccesary tweaks, you have to copy the EFI folder to the EFI partition of your pendrive.