diff --git a/.env.example b/.env.example
index 242d6a9..77435e1 100644
--- a/.env.example
+++ b/.env.example
@@ -107,6 +107,13 @@ TELEGRAM_BOT_TOKEN=your_telegram_bot_token
 # Enable scheduled tasks
 # CRON_ENABLED=true
 
+# ============================================
+# Memory Filesystem (optional)
+# ============================================
+# Enable memory filesystem (git-backed context repository)
+# Syncs agent memory blocks to local files
+# LETTABOT_MEMFS=true
+
 # ============================================
 # Heartbeat (optional)
 # ============================================