Update README.md documentation

README.md

@@ -49,13 +49,11 @@ Cloning a repository is the same as downloading, except it preserves the Git con
 You can then modify the files locally and upload the changes to the remote repository on GitLab  
 
 ## Usage ##
-Be sure your bash script is executable  
-If not, in Terminal:  
-`sudo chmod +x RQCP.sh`
-_Edit config.yaml file on config directory (option)_  
-_Edit fastq-screen config file on config directory (option)_  
-Copy yours paired-end fastq.gz files into ./resources/reads/ directory  
-Run RQCP.sh bash script by double-clicking on it  
+- Be sure your bash script is executable, if not, in a Terminal: `sudo chmod +x RQCP.sh`  
+- _Option: Edit config.yaml file on config directory_  
+- _Option: Edit fastq-screen config file on config directory_  
+- Copy your paired-end reads fastq.gz files into: ./resources/reads/ directory  
+- Run RQCP.sh bash script by double-clicking on it  
 
 ###  Configuration ###