diff --git a/README.md b/README.md
index 5ef8c29..a6a0164 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,9 @@
 # backend
 
-SECRET_KEY = SECRET_KEY=09d25e094faa6ca2556c818166b7a9563b93f7099f6f0f4caa6cf63b88e8d3e7
\ No newline at end of file
+
+This project requires a `.env` file with the context of:
+
+```
+SECRET_KEY=09d25e094faa6ca2556c818166b7a9563b93f7099f6f0f4caa6cf63b88e8d3e7
+DATABASE_URL=postgresql://postgres_user:postgres_password@localhost:5434/postgres_db
+```