diff --git a/.env.example b/.env.example
index b9bfcada0e..46b5496649 100644
--- a/.env.example
+++ b/.env.example
@@ -54,10 +54,17 @@ RELAY_URL=ws://localhost:3000
 # Stable relay signing key. Set this in dev if you want REST-created forum posts
 # to keep resolving to the original author across relay restarts.
 # BUZZ_RELAY_PRIVATE_KEY=<32-byte hex private key>
-# Optional: path to the web UI dist directory. When set, the relay serves
-# the web frontend at / for browser requests. Leave unset for local dev
-# (use `just web` for Vite HMR instead).
+# Optional: path to the web UI dist directory. When set, the relay serves the
+# invite landing bundle, so /invite/{code} works for browser requests. Leave
+# unset for local dev (use `just web` for Vite HMR instead).
 # BUZZ_WEB_DIR=./web/dist
+# Serving the bundle at / and /repos/... additionally requires
+# BUZZ_SERVE_GIT_WEB_GUI; without it those paths answer with the NIP-11
+# document instead of the SPA.
+# Set to `true` or `1` to expose the bundled Git repository browser. Has no
+# effect unless BUZZ_WEB_DIR is set. Defaults to false; invite routes do not
+# depend on this flag.
+# BUZZ_SERVE_GIT_WEB_GUI=true
 
 # Shared Redis-backed admission limits. Defaults shown below; each value must
 # be a positive integer.