Fix a tip about how to create an empty file[1]. Remove tip about retired kget(8). Fix a typo.
Fix a tip about how to create an empty file[1].
Remove tip about retired kget(8).
Fix a typo.

PR:	conf/54334
Submitted by:	Mark Huizer <xaa+sendpr@timewasters.nl>
MFC after:	3 days

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