[skip ci] update readme

README.md

@@ -110,14 +110,16 @@ Steps:
 
 The main question here is for step 2: how to handle HySoP dependencies? Either you can use a Docker image (simpler) or install everything on your system (harder).
 
-## Step 1: [Git clone](https://git-scm.com/docs/git-clone) HySoP and change directory to 'hysop':
+## Step 1: Get sources
+
+[Git clone](https://git-scm.com/docs/git-clone) HySoP and change directory to 'hysop':
 
 ```shell
 git clone https://gricad-gitlab.univ-grenoble-alpes.fr/hysop.git
 ```
 
 
-## Step 2:
+## Step 2: Install prerequisites
 
 ### Use a Docker image
 
@@ -169,7 +171,7 @@ echo "/usr/lib/x86_64-linux-gnu/libnvidia-opencl.so.1" > $CONDA_PREFIX/etc/OpenC
 ```
 
 
-## Step 3:
+## Step 3: Install
 
 Once the container has started, you're connected has 'hysop-user' with all Hysop sources inside /home/hysop-user/hysop-shared (a directeory shared between the container and the host)