Update README.rst

README.rst

@@ -24,7 +24,7 @@ Installation
 Basic Usage
 -----------
 
-Required input is a text file of a list of paths to fasta files `genomes_list` and a path to an output directory `output_dir`. All the genomes must be circular and complete. If you have all your genomes in one directory, you can navigate to that directory and generate `genomes_list` by running
+Required input is a text file of a list of paths to fasta files ``genomes_list`` and a path to an output directory ``output_dir``. All the genomes must be circular and complete. If you have all your genomes in one directory, you can navigate to that directory and generate ``genomes_list`` by running
 
 .. code-block:: console