Clarified docstring
Clarified docstring

FintanH/logbook,narfdotpl/logbook,alonho/logbook,dvarrazzo/logbook,Rafiot/logbook,DasIch/logbook,omergertel/logbook,omergertel/logbook,fayazkhan/logbook,dvarrazzo/logbook,omergertel/logbook,mbr/logbook,redtoad/logbook,Rafiot/logbook,fayazkhan/logbook,RazerM/logbook,DasIch/logbook,mbr/logbook,DasIch/logbook,Rafiot/logbook,pombredanne/logbook,mitsuhiko/logbook,dommert/logbook,alex/logbook,maykinmedia/logbook,maykinmedia/logbook,alex/logbook,alonho/logbook,alonho/logbook,redtoad/logbook