fix typo Update README.md hello-devops

subjects/devops/hello-devops/README.md

@@ -33,7 +33,7 @@ This command needs to be adapted with **your own username**.
 
 #### 2- set
 
-Once the repository is created, use you code editor to write your first shell script called `hello-devops.sh`
+Once the repository is created, use your code editor to write your first shell script called `hello-devops.sh`
 
 When executed, this script must print `Hello 01-user!`, where `01-user` is your username.