readme update

README.md

@@ -36,7 +36,7 @@ OTU-clustering steps are based on [TARA Fred's metabarcoding pipeline](https://g
     * [step2...]()
 4. [Output results]()
 5. [How-to guide](https://gitlab.mbb.univ-montp2.fr/edna/snakemake_rapidrun_swarm/-/wikis/How-to-guide)
-6. [Reference](https://gitlab.mbb.univ-montp2.fr/edna/snakemake_rapidrun_swarm/-/wikis/References)
+6. [References](https://gitlab.mbb.univ-montp2.fr/edna/snakemake_rapidrun_swarm/-/wikis/References)
 7. [Metabarcoding context - discussion to go further]()
 
 ## Quick Start