Adding updated help message
Adding updated help message

ICGC-TCGA-PanCancer/CGP-Somatic-Docker,ICGC-TCGA-PanCancer/CGP-Somatic-Docker,ICGC-TCGA-PanCancer/CGP-Somatic-Docker,ICGC-TCGA-PanCancer/CGP-Somatic-Docker