Fixed Description message for samplesThatAreInMultiple singular and plural.
Fixed Description message for samplesThatAreInMultiple singular and plural.

phac-nml/irida,phac-nml/irida,phac-nml/irida,phac-nml/irida,phac-nml/irida,phac-nml/irida,phac-nml/irida,phac-nml/irida