readme update

README.md

@@ -82,7 +82,7 @@ You can use the absolute path of the folder of your reference database as the `/
 Once you generated your reference database, you need the `db_{prefix}.fasta` file (see Results section above).
 Type the following command to convert your reference database into STAMPA format :
 ```
-python3 scripts/formatDB_obifasta_to_stampa.py -f db_{prefix}.fasta -o /path/to/reference_database_stampa.fasta
+python3 scripts/formatDB_obifasta_to_stampa.py -f /path/to/db_{prefix}.fasta -o /path/to/reference_database_stampa.fasta
 ```
 This command generates a file `/path/to/reference_database_stampa.fasta` which you can use as a reference database for the pipeline :
 * [bash_swarm](https://gitlab.mbb.univ-montp2.fr/edna/bash_swarm)
\ No newline at end of file