The `AppArmor` feature flag is a case-sensitive string literal,
so consistently use its correct case-combination.
Signed-off-by: Simon McVittie <smcv@collabora.com>
<para>
This message bus filters messages via the
<ulink url="https://selinuxproject.org/">SELinux</ulink>
- security framework. Similar to <literal>apparmor</literal>,
+ security framework. Similar to <literal>AppArmor</literal>,
this feature should only be advertised if SELinux mediation
is enabled and active at runtime (if SELinux is placed in
permissive mode, that is still considered to be active).