Minor edits to README.

README.md

@@ -13,9 +13,9 @@ The steps below are just the way I do it, but feel free to adapt. And please sen
 
 - Create your local Docker image, named `my_mod_foam`:
 
-```sh
-docker build -f my.Dockerfile -t local/my_mod_foam .
-```
+    ```sh
+    docker build -f my.Dockerfile -t local/my_mod_foam .
+    ```
 
 #### 2. Prepare you local file system for using the container
 
@@ -62,26 +62,26 @@ To just quickly make it work just follow the steps below.
 
 - Get the `openfoam-docker` tool from OpenCFD and make it executable. This is quite useful for creating a container for using the Docker image. It is also possible to set up a permanent container and use it every time. There are advantages and disadvantages to this but it's beyond the scope of this tutorial.
 
-```sh
-curl -o $HOME/openfoam-docker https://develop.openfoam.com/packaging/containers/-/raw/main/openfoam-docker
-chmod +x $HOME/openfoam-docker
-```
+    ```sh
+    curl -o $HOME/openfoam-docker https://develop.openfoam.com/packaging/containers/-/raw/main/openfoam-docker
+    chmod +x $HOME/openfoam-docker
+    ```
 
 - Run the script using your custom Docker image with:
 
-```sh
-$HOME/openfoam-docker -image=local/my_mod_foam -x -case=$HOME/OpenFOAM_DockerHome_2112
-```
+    ```sh
+    $HOME/openfoam-docker -image=local/my_mod_foam -x -case=$HOME/OpenFOAM_DockerHome_2112
+    ```
 
-```sh
-$HOME/openfoam-docker -image=local/foam_andre -x -case=$HOME/OpenFOAM_DockerHome_2112
-```
+    ```sh
+    $HOME/openfoam-docker -image=local/foam_andre -x -case=$HOME/OpenFOAM_DockerHome_2112
+    ```
 
-You can also add an alias to your `.bashrc` (replace with `.zshrc` on a Mac):
+- [OPTIONAL] You can also add an alias to your `.bashrc` (replace with `.zshrc` on a Mac):
 
-```sh
-echo "alias myFoamContainer=\"$HOME/openfoam-docker -image=local/my_mod_foam -x -case=$HOME/OpenFOAM_DockerHome_2112\"" >> ~/.bashrc
-```
+    ```sh
+    echo "alias myFoamContainer=\"$HOME/openfoam-docker -image=local/my_mod_foam -x -case=$HOME/OpenFOAM_DockerHome_2112\"" >> ~/.bashrc
+    ```
 
 ___
 ### Remarks
@@ -105,6 +105,7 @@ ___
 ### Contact
 
 André Da Luz Moreira - andre.da.luz.moreira@liu.se
+
 Link to this repository: https://gitlab.liu.se/andda15/OpenFOAM_ContainerMod
 
 ___