Clarified documentation to make clear that a sequence dictionary is expected in the same directory as the reference fasta and that its extension should be .dict
Clarified documentation to make clear that a sequence dictionary is expected in the same directory as the reference fasta and that its extension should be .dict

annkupi/picard,alecw/picard,broadinstitute/picard,broadinstitute/picard,broadinstitute/picard,nh13/picard,broadinstitute/picard,alecw/picard,annkupi/picard,alecw/picard,annkupi/picard,nh13/picard,annkupi/picard,broadinstitute/picard,alecw/picard,nh13/picard,nh13/picard