diff --git a/models/attachment.go b/models/attachment.go
index 6ab1f3652..c322d391b 100755
--- a/models/attachment.go
+++ b/models/attachment.go
@@ -97,7 +97,7 @@ func (a *Attachment) DownloadURL() string {
 	return fmt.Sprintf("%sattachments/%s?type=%d", setting.AppURL, a.UUID, a.Type)
 }
 
-// DownloadURL returns the download url of the attached file
+// S3DownloadURL returns the s3 download url of the attached file
 func (a *Attachment) S3DownloadURL() string {
 	url := ""
 	if a.Type == TypeCloudBrainOne {