diff --git a/.env.example b/.env.example
index 461f0d3..0f6a2ff 100644
--- a/.env.example
+++ b/.env.example
@@ -3,4 +3,5 @@ REDIS_PORT=
 REDIS_PASSWORD=
 SPOTIFY_CLIENT_ID=
 SPOTIFY_CLIENT_SECRET=
-SPOTIFY_REFRESH_TOKEN=
\ No newline at end of file
+SPOTIFY_REFRESH_TOKEN=
+NEXT_PUBLIC_GTAG_ID=
\ No newline at end of file
diff --git a/README.md b/README.md
index b3e94b8..c974e5e 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ From the very start to not so long ago my site was just several links to my soci
 
 # Analytics
 
-If you deploy on Vercel, just uncomment the `<Analytics/>` tag in `_app.tsx`. If you want to use Google Analytics, uncomments the `<Script>` tags in `_app.tsx`.
+If you deploy on Vercel, just uncomment the `<Analytics/>` tag in `_app.tsx`. If you want to use Google Analytics, uncomments the `<Script>` tags in `_app.tsx`. Be sure to define your Google Analytics tag in `env.local`.
 
 # Credits