Fix typo in the apireference README
Fix typo in the apireference README

Signed-off-by: Jean-Pierre Huynh <e428a3c18cb9d55d0d53d58bb68328bdfe0e0084@ounet.fr>

BradErz/kops,blakebarnett/kops,pdh/kops,kubernetes/kops,robinpercy/kops,robinpercy/kops,BradErz/kops,andrewsykim/kops,MadDogTechnology/kops,aledbf/kops,blakebarnett/kops,faraazkhan/kops,mad01/kops,blakebarnett/kops,tsupertramp/kops,kubernetes/kops,aledbf/kops,faraazkhan/kops,mad01/kops,chrislovecnm/kops,tsupertramp/kops,pdh/kops,gambol99/kops,tsupertramp/kops,faraazkhan/kops,blakebarnett/kops,gambol99/kops,robinpercy/kops,mad01/kops,MadDogTechnology/kops,mad01/kops,aledbf/kops,BradErz/kops,andrewsykim/kops,BradErz/kops,andrewsykim/kops,justinsb/kops,pdh/kops,andrewsykim/kops,MadDogTechnology/kops,faraazkhan/kops,pdh/kops,kubernetes/kops,tsupertramp/kops,gambol99/kops,MadDogTechnology/kops,chrislovecnm/kops,justinsb/kops,robinpercy/kops,justinsb/kops,aledbf/kops,chrislovecnm/kops,chrislovecnm/kops,gambol99/kops