This fixes a double "or" in the text of `systemctl --help`.
" isolate UNIT Start one unit and stop all others\n"
" kill UNIT... Send signal to processes of a unit\n"
" clean UNIT... Clean runtime, cache, state, logs or\n"
- " or configuration of unit\n"
+ " configuration of unit\n"
" is-active PATTERN... Check whether units are active\n"
" is-failed PATTERN... Check whether units are failed\n"
" status [PATTERN...|PID...] Show runtime status of one or more units\n"