diff --git a/README.md b/README.md
index 43775d1..734f1d2 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@
 
 ### via GitHub Pages remote theme
 
-The quickiest way to use Just The Docs is to use GitHub pages [remote theme](https://blog.github.com/2017-11-29-use-any-theme-with-github-pages/) feature in your `config.yml` file:
+The quickiest way to use Just The Docs is to use GitHub pages [remote theme](https://blog.github.com/2017-11-29-use-any-theme-with-github-pages/) feature in your `_config.yml` file:
 
 ```yaml
 remote_theme: just-the-docs/just-the-docs