added missing backslash before dollar
added missing backslash before dollar

iimog/meta-barcoding-dual-indexing,molbiodiv/meta-barcoding-dual-indexing,molbiodiv/meta-barcoding-dual-indexing,iimog/meta-barcoding-dual-indexing,molbiodiv/meta-barcoding-dual-indexing,iimog/meta-barcoding-dual-indexing