Revision 199302

MFC r199127:
Add a note about no hostname leading to "Amnesiac" on the console

The text is inspired by the PR, but more in line with the existing text

PR:		docs/140434
Submitted by:	Jason Helfman <jhelfman@e-e.com>

MFC r199152:
s/a default/the default/

Submitted by:	remko

MFC r199299:
In r199127/r199152 I forgot to bump .Dd