diff --git a/README.md b/README.md
index 4e0fbeb..bdde105 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,13 @@
 # plasmapy-calculator
+
+Basic usage:
+
+```bash
+>>> pip install python-dotenv
+>>> cd Calculator
+>>> flask run
+ * Serving Flask app "main.py" (lazy loading)
+ * Environment: development
+ * Debug mode: on
+ * Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
+```