diff --git a/README.md b/README.md
index 63885dc..adf5d17 100644
--- a/README.md
+++ b/README.md
@@ -26,4 +26,9 @@ Next, you must install required dependencies via NPM or yarn:
     
     $ npm i
     
-Finally, to get data from NASA's API you must [generate an API Key](https://api.nasa.gov/). Next, paste this API key into the `/.env.local` file. 
+Finally, to get data from NASA's API you must [generate an API Key](https://api.nasa.gov/). Next, rename `.env.local.example` to `.env.local`, then paste this API key into the `/.env.local` file.
+
+```YAML
+# Get a new API key at: https://api.nasa.gov/
+NEXT_PUBLIC_API_KEY=YOUR_API_KEY_HERE
+```