Update README.md

README.md

@@ -36,43 +36,43 @@ You must install the following softwares and packages :
 - [SNAKEMAKE 5.3.0](https://snakemake.readthedocs.io/en/stable/getting_started/installation.html)
     * Check version and if the program is correctly installed by typing :
 
-```
-snakemake --version
-## should give you the output
-5.3.0
-```
+    ```
+    snakemake --version
+    ## should give you the output
+    5.3.0
+    ```
 
 - [STACKS 2.0b](http://catchenlab.life.illinois.edu/stacks/)
    * Check version and if programs are correctly installed by typing :
 
-```
-process_radtags --version
-clone_filter --version
-gstacks --version
-populations --version
-## should give you the output
-2.0b
-```
+    ```
+    process_radtags --version
+    clone_filter --version
+    gstacks --version
+    populations --version
+    ## should give you the output
+    2.0b
+    ```
 
 - [BWA 0.7.17](https://icb.med.cornell.edu/wiki/index.php/Elementolab/BWA_tutorial)
     * Download `bwa` at: http://sourceforge.net/projects/bio-bwa/files/
 
-```
-tar -xvf bwa-x.x.x.tar.bz2   
-cd bwa-x.x.x
-./configure --prefix=/where/to/install
-make  
-make install
-```
+    ```
+    tar -xvf bwa-x.x.x.tar.bz2   
+    cd bwa-x.x.x
+    ./configure --prefix=/where/to/install
+    make  
+    make install
+    ```
     * Check version and if programs are correctly installed by typing :
 
-```
-bwa
-## should give you the output
-Program: bwa (alignment via Burrows-Wheeler transformation)
-Version: 0.7.17-r1188
-...
-```
+    ```
+    bwa
+    ## should give you the output
+    Program: bwa (alignment via Burrows-Wheeler transformation)
+    Version: 0.7.17-r1188
+    ...
+    ```
 - [SAMTOOLS 1.9 ](http://www.htslib.org/)
     * Download `htslib` and `samtools` at : http://www.htslib.org/download/
     * Building each desired package from source is very simple:
@@ -91,13 +91,13 @@ Version: 0.7.17-r1188
     ```
     * Check version and if programs are correctly installed by typing :
 
-```
-samtools --version
-## should give you the output
-samtools 1.9
-Using htslib 1.9
-Copyright (C) 2018 Genome Research Ltd.
-```
+    ```
+    samtools --version
+    ## should give you the output
+    samtools 1.9
+    Using htslib 1.9
+    Copyright (C) 2018 Genome Research Ltd.
+    ```
 
 ## 2.2 Data Files
 The included data files are :