diff --git a/docs/src/content/pages/github-mode.mdoc b/docs/src/content/pages/github-mode.mdoc
index c0343fadd..0e81c3096 100644
--- a/docs/src/content/pages/github-mode.mdoc
+++ b/docs/src/content/pages/github-mode.mdoc
@@ -89,7 +89,7 @@ Behind the scenes, some environment variables were generated in a `.env` file on
 KEYSTATIC_GITHUB_CLIENT_ID=...
 KEYSTATIC_GITHUB_CLIENT_SECRET=...
 KEYSTATIC_SECRET=...
-NEXT_PUBLIC_KEYSTATIC_GITHUB_APP_SLUG=...
+NEXT_PUBLIC_KEYSTATIC_GITHUB_APP_SLUG=... # for Next.JS or `PUBLIC_KEYSTATIC_GITHUB_APP_SLUG` for Astro
 ```
 
 These variables are used to authenticate users with GitHub, based on their access to the GitHub repo in question.