diff --git a/.env.example b/.env.example
index 874c51f..198a062 100644
--- a/.env.example
+++ b/.env.example
@@ -26,6 +26,11 @@ CAPTION_ROUTER_CONTEXT_SECONDS=6
 # Jellyfin ingestion
 JELLYFIN_URL=http://127.0.0.1:8096
 JELLYFIN_API_KEY=
+# Preferred: comma-separated list of libraries to index by default.
+JELLYFIN_LIBRARIES=
+# Optional libraries to leave out, including when --all-libraries is used.
+JELLYFIN_EXCLUDE_LIBRARIES=
+# Backward-compatible single-library setting. Used only when JELLYFIN_LIBRARIES is empty.
 JELLYFIN_LIBRARY=
 JELLYFIN_TRICKPLAY_WIDTH=320
 JELLYFIN_FALLBACK_INTERVAL_SECONDS=10