6d50cb5 man page: fix language in debug level description

2 files Authored by pbrezina 4 years ago, Committed by lslebodn 4 years ago,
    man page: fix language in debug level description
    
    Reviewed-by: Justin Stephenson <jstephen@redhat.com>
    (cherry picked from commit f5d3f4304a767f20484c5a97012720e272a9a022)