Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
Y
@Stehman07 you need to edit the file as root, the normal user pi does not have sufficient rights.
Run sudo nano /boot/config.txt instead
S
@nigel-daniels You are SO right! That works perfectly! Thank you!