diff --git a/.env.example b/.env.example
index 3f10b1ab4..b43e2e60c 100644
--- a/.env.example
+++ b/.env.example
@@ -12,6 +12,9 @@ NEXTAUTH_URL=http://app.localhost:3000
 # Change this to your own domain
 NEXT_PUBLIC_ROOT_DOMAIN=vercel.pub
 
+# Suffix for Vercel preview deployment URLs
+NEXT_PUBLIC_VERCEL_DEPLOYMENT_SUFFIX=
+
 # PostgreSQL database URL – get one here: https://vercel.com/docs/storage/vercel-postgres/quickstart
 POSTGRES_PRISMA_URL=
 POSTGRES_URL_NON_POOLING=