confusing comments

[jerabaul29]

The comments here:

duraconf/configs/gnupg/gpg.conf

Lines 77 to 83 in 3f0d977

	# list of personal digest preferences. When multiple digests are supported by
	# all recipients, choose the strongest one
	personal-cipher-preferences AES256 AES192 AES CAST5
	# list of personal digest preferences. When multiple ciphers are supported by
	# all recipients, choose the strongest one
	personal-digest-preferences SHA512 SHA384 SHA256 SHA224

are not consistent with the conf options (digest vs cipher in different parts of the comments).