improved the doc
improved the doc

yamcs/yamcs,yamcs/yamcs,yamcs/yamcs,m-sc/yamcs,m-sc/yamcs,fqqb/yamcs,fqqb/yamcs,m-sc/yamcs,m-sc/yamcs,yamcs/yamcs,m-sc/yamcs,fqqb/yamcs,fqqb/yamcs,fqqb/yamcs,yamcs/yamcs,yamcs/yamcs,m-sc/yamcs,fqqb/yamcs