Fix typo in explanation of ASCII-armored keys and use only "-a" instead of "--armor"
Fix typo in explanation of ASCII-armored keys and use only "-a" instead of "--armor"

mssun/passforios,mssun/passforios,mssun/passforios,mssun/passforios,mssun/pass-ios,mssun/pass-ios,mssun/passforios