📝🐛 fix typo: "CTRL+C to stop"

README.md

@@ -34,7 +34,7 @@ Once done, you can then open your browser and visit the following URL: [http://l
 
 And ... that's it!
 
-When you've done what you had to, you can stop Heurist either by pressing `CTRL+V` in your terminal.  
+When you've done what you had to, you can stop Heurist either by pressing `CTRL+C` in your terminal.  
 As an alternative, you can run the following command:
 ``` bash
 docker-compose down