diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index c630b86fe..15008774d 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -91,6 +91,7 @@ Check that the project is starting properly.
 Switch to the proper virtual environment
 ```
 For cmd.exe: PyfaEnv\scripts\activate.bat
+For PowerShell: PyfaEnv\Scripts\Activate.ps1
 For bash: source <venv>/Scripts/activate
 ```