diff --git a/README.md b/README.md
index 4cd4be8..74a96f9 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,7 @@ pip install -r requirements.txt
 Create a `.env` file under the root project directory and populate it with the following content:
 
 ```bash
+PORT=6060 # Port on which the API service will run
 CLIENT_ORIGIN_URL=http://localhost:4040
 AUTH0_AUDIENCE=
 AUTH0_DOMAIN=