Fix typo in manpage.
Fix typo in manpage.

dtaht/babeld-shortrtt-metrics,tcatm/babeld,Drooids/babeld,wlanslovenija/babeld,jech/babeld,sudomesh/babeld,wlanslovenija/babeld,Gwendocg/babeldToS,boutier/babeld,jech/babeld,woniullb/babeld,Gwendocg/babeldToS