Now you can check your work one last time before making it permanent.

Enter i and the Partition number. In that output, everything except Last sector and Partition size should be the same as in the copy-pasted info now.

If the other values don't line up the eReader probably won't boot. So go back now and change them.

Until now nothing has been changed on the SD card. So, if you're not sure if everything is right and want to try again, you can just exit the program now and give it another try.