diff --git a/README.md b/README.md
index e8f9dda..cfda7d0 100644
--- a/README.md
+++ b/README.md
@@ -41,9 +41,12 @@ Then, setup the project :
 git clone https://git.n07070.xyz/n07070/LittlePrynter
 virtualenv LittlePrynter
 cd LittlePrynter
+source bin/activate
 pip install -r requirements.txt
 ```
 
+> tip : when you're done, you can get out of the virtualenv either by closing your terminal, or by running `deactivate`.
+
 You should see a folder named `configuration`. Enter it, and duplicate the file named `config.toml.sample`, and rename the copy to `config.toml`. Now, edit this file by following the comments in the file itself.
 
 You can now start the web server with