diff --git a/config/settings.development.coffee.example b/config/settings.development.coffee.example
index ce930e07f1..c87055e0e9 100644
--- a/config/settings.development.coffee.example
+++ b/config/settings.development.coffee.example
@@ -26,6 +26,7 @@ module.exports =
 		secret: ""
 		buckets:
 			# The S3 bucket name to store binary files in
+			# Must contain full url like: <bucketname>.s3.amazonaws.com
 			user_files: ""
 
 	# Databases