This bug was fixed in the package manpages - 5.10-1ubuntu0.1
--------------- manpages (5.10-1ubuntu0.1) hirsute; urgency=medium
* kernel_lockdown.7: Remove description of unsupported lockdown lift mechanism via SysRq. LP: #1931171.
-- dann frazier <email address hidden> Thu, 10 Jun 2021 13:26:47 -0600
This bug was fixed in the package manpages - 5.10-1ubuntu0.1
---------------
manpages (5.10-1ubuntu0.1) hirsute; urgency=medium
* kernel_lockdown.7: Remove description of unsupported lockdown lift
mechanism via SysRq. LP: #1931171.
-- dann frazier <email address hidden> Thu, 10 Jun 2021 13:26:47 -0600