BugFix: a typo
BugFix: a typo

In the "glossary" part of the command.c file a mention of "GPIO Bank
2" should refer to "GPIO Bank 1".

Signed-off-by: Stephen Lyons <8198ec53cc2e2287bf8312772bb76dd577b1a59b@virginmedia.com>

joan2937/pigpio,joan2937/pigpio,joan2937/pigpio,miccoli/pigpio,miccoli/pigpio,joan2937/pigpio,miccoli/pigpio,miccoli/pigpio,joan2937/pigpio