diff --git a/README.md b/README.md
index 0c6d883b4bc9c0e1d6c0641745e01423dab2f98c..75ab74263bdfbaae7b0202cf82845fa735f2508e 100644
--- a/README.md
+++ b/README.md
@@ -39,9 +39,9 @@ To check if it is working, type:
 ```
 heroku open
 ```
-and you see see the “Running!!” message. Now go ahead and add the Weather Underground API key under WU_ACCESS
+and you see see the “Running!!” message. Now go ahead and add the Weather Underground API key under WU_API_KEY
 ```
-heroku config:add WU_ACCESS=[your API key]
+heroku config:add WU_API_KEY=[your API key]
 ```
 Check the Heroku dashboard to see if your app is there.