man: prettify systemctl(1)

- reindent with two spaces, otherwise everything is squeezed near
  the right margin,
- mark only optional arguments as optional,
- some typos, etc.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2013-02-16 16:28:21 -05:00
parent 6d26799179
commit 4a6022f01c

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