Update README.md

RuurdBijlsma · web-flow · commit 8c134172bb5e · 2020-09-25T00:54:51.000+02:00
diff --git a/README.md b/README.md
@@ -21,5 +21,7 @@ This is a game where you are put anywhere on earth, and you have to figure out w
 3. Replace the api key found at the bottom in /index.html and /play/index.html with your own
     * This api key can be created freely at https://console.developers.google.com/google/maps-apis/apis/maps-backend.googleapis.com
     * Your key will be at the credentials tab on the left
+    * A credit card is needed to create the api key
 4. Push to your Github page
 5. Set up Github pages for the repository (tutorial: https://pages.github.com)
+   * For __username__.github.io to work you need to name the repository __username__.github.io (as stated in the GitHub pages tutorial)
