Only the last one of the following patch series is user-visible, and improves the readability of `find --help`:
[PATCH 1/4] maint: fix typos in comments [PATCH 2/4] find: remove redundant function error_severity and avoid [PATCH 3/4] maint: generate ChangeLog with --no-cluster [PATCH 4/4] find: improve readability of --help output
