diff --git a/94.md b/94.md
index c1b322a2..e34a576d 100644
--- a/94.md
+++ b/94.md
@@ -21,6 +21,8 @@ This NIP specifies the use of the `1063` event type, having in `content` a descr
 * `magnet` (optional) URI to magnet file
 * `i` (optional) torrent infohash
 * `blurhash`(optional) the [blurhash](https://github.com/woltapp/blurhash) to show while the file is being loaded by the client
+* `preview` (optional) shorter file variant such as thumbnail, blurred image or text excerpt
+* `caption` (optional) loose description not meant for accessibility
 
 ```json
 {
@@ -37,7 +39,9 @@ This NIP specifies the use of the `1063` event type, having in `content` a descr
     ["dim", <size of file in pixels>],
     ["magnet",<magnet URI> ],
     ["i",<torrent infohash>],
-    ["blurhash", <value>]
+    ["blurhash", <value>],
+    ["preview", <preview url/text>, <MIME type>],
+    ["caption", <string with loose description>]
   ],
   "content": <description>,
   "sig": <64-bytes hex of the signature of the sha256 hash of the serialized event data, which is the same as the "id" field>