Edit documentation to indicate that the TSIG session key is automatically created on startup
requested to merge 1842-correct-the-bind-arm-to-say-that-the-default-session-key-for-use-with-update-policy-local-is-v9_11 into v9_11
(cherry picked from commit 79920cea)
Closes #1842 (closed)
Edited by Ondřej Surý