C:\Users\simon>gpg --edit-key 9612BE5C
gpg (GnuPG) 2.0.29; Copyright (C) 2015 Free Software Foundation, Inc.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Secret key is available.

pub  2048R/9612BE5C  created: 2013-04-06  expires: 2022-07-26  usage: SCEA
                     trust: ultimate      validity: ultimate
[ultimate] (1). Simon Walker (Git) <github@stwalkerster.co.uk>

gpg> toggle

sec  2048R/9612BE5C  created: 2013-04-06  expires: 2022-07-26
(1)  Simon Walker <simon@stwalkerster.co.uk>
(2)  Simon Walker (Git) <github@stwalkerster.co.uk>
(3)  Simon Walker <stwalkerster@googlemail.com>

gpg>