diff --git a/docs/content/docs.md b/docs/content/docs.md
index f6a14bca2..de6459a17 100644
--- a/docs/content/docs.md
+++ b/docs/content/docs.md
@@ -550,6 +550,7 @@ backend may implement.
 | atime               | Time of last access:  RFC 3339 | 2006-01-02T15:04:05.999999999Z07:00 |
 | mtime               | Time of last modification:  RFC 3339 | 2006-01-02T15:04:05.999999999Z07:00 |
 | btime               | Time of file creation (birth):  RFC 3339 | 2006-01-02T15:04:05.999999999Z07:00 |
+| utime               | Time of file upload:  RFC 3339 | 2006-01-02T15:04:05.999999999Z07:00 |
 | cache-control       | Cache-Control header | no-cache |
 | content-disposition | Content-Disposition header | inline |
 | content-encoding    | Content-Encoding header | gzip |