Update to Singularity 2.5.2

Author: 0xaf1f

00-installation/README.md

@@ -24,15 +24,15 @@ $ sudo yum install debootstrap.noarch squashfs-tools
 Next we'll download a compressed archive of the source code (using the the `wget` command). Then we'll extract the source code from the archive (with the `tar` command).
 
 ```
-$ wget https://github.com/singularityware/singularity/releases/download/2.4.2/singularity-2.4.2.tar.gz
+$ wget https://github.com/singularityware/singularity/releases/download/2.5.2/singularity-2.5.2.tar.gz
 
-$ tar -xf singularity-2.4.2.tar.gz
+$ tar -xf singularity-2.5.2.tar.gz
 ```
 
 Finally it's time to build and install!
 
 ```
-$ cd singularity-2.4.2
+$ cd singularity-2.5.2
 
 $ ./configure --prefix=/usr/local