- <para><command>systemd-analyze critical-chain</command>
- prints a tree of the time critical chain of units.
+ <para><command>systemd-analyze critical-chain [<replaceable>UNIT...</replaceable>]</command>
+ prints a tree of the time-critical chain of units
+ (for each of the specified <replaceable>UNIT</replaceable>s
+ or for the default target otherwise).