diff --git a/.env.example b/.env.example
index 1ac9bcd..27518dc 100644
--- a/.env.example
+++ b/.env.example
@@ -17,7 +17,8 @@ RATE_LIMIT_MAX_REQUESTS=30
 # S3_VHOST_DOMAINS=upload.asepharyana.my.id,upload.asepharyana.web.id
 
 # Telegram-safe internal chunking for large stored files
-# TELEGRAM_CHUNK_SIZE_BYTES=20971520
+# Telegram max upload ~49MB, using 48MB for safety
+# TELEGRAM_CHUNK_SIZE_BYTES=50331648
 # COMPRESS_CHUNKED_UPLOADS=true
 # CHUNK_COMPRESSION_MIN_SIZE_BYTES=4096