diff --git a/README.md b/README.md
index 2d391fb..b951b5a 100644
--- a/README.md
+++ b/README.md
@@ -13,10 +13,12 @@ Here is a docker image to use to solve most of the CTF on the platform! If you a
 ```
 
 ## Usage
-`docker run --security-opt seccomp=unconfined --rm -v $PWD:/work -it atrouill/42ctf /bin/ash`
+```
+docker run --security-opt seccomp=unconfined --rm -v `pwd`:/42ctf -it atrouill/42ctf /bin/ash
+```
 
 For more simplicity you can do :
-
-`echo 'alias 42ctf="docker run --security-opt seccomp=unconfined --rm -v $PWD:/work -it atrouill/42ctf /bin/ash"' >> ~/.zshrc && source ~/.zshrc`
-
+```bash
+echo 'alias 42ctf="docker run --security-opt seccomp=unconfined --rm -v `pwd`:/42ctf -it atrouill/42ctf /bin/ash"' >> ~/.zshrc && source ~/.zshrc
+```
 Then you just have to run `42ctf` in the folder where your binaries are!
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