SIGN IN SIGN UP

Improve signal documentation (GH-14274)

* add a missing ``.. availability::`` reST explicit markup;
* more consistent "see man page" sentences.
G
Géry Ogam committed
cfebfef2def48095aa1f4c790a35e51818d67502
Parent: 4f9ffc9
Committed by Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> on 8/6/2019, 9:12:22 PM