diff --git a/.env.example b/.env.example
index 425098f4..c52bc7e3 100644
--- a/.env.example
+++ b/.env.example
@@ -102,6 +102,7 @@ WHATSAPP_FILES_FOLDER=/app/.media
 
 # Webhooks
 # WHATSAPP_HOOK_URL=https://webhook.site/11111111-1111-1111-1111-11111111
+# WHATSAPP_HOOK_CUSTOM_HEADERS=custom_header_key:custom_header_value
 # WHATSAPP_HOOK_EVENTS=session.status,message,message.reaction
 
 # Proxy configuration