Option -d not recognized in salmon index 1.11.4

[nponts]

Hi,
I'm running into the error "-d not recognized" trying to index with salmon 1.11.4
Can't find how to pass de decoy.txt either in the list of options with --help
Can you please help me?
Thank you!
N.

[gregdev00]

-t [ --transcripts ] arg       Transcript fasta file.
-d [ --decoys ] arg            Treat these sequences ids from the reference
                               as the decoys that may have sequence
                               homologous to some known transcript. for
                               example in case of the genome, provide a list
                               of chromosome name --- one per line
-i [ --index ] arg             salmon index.

Example:
salmon index -t gentrome.fa -d decoy.txt -i name_of_the_index_that_will_be_generated