diff --git a/94.md b/94.md
index 21eefc9..13cd231 100644
--- a/94.md
+++ b/94.md
@@ -11,6 +11,7 @@ This NIP specifies the use of the `30063` event type (parameterized replaceable
 * `url` the url to download the file
 * `type` a string indicating the data type of the file. The MIME types format must be used (https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types/Common_types)
 * `decrypt` (optional) If the file is encrypted, you must indicate in the first value the algorithm used to encrypt the file and in the second value the parameters that allow the decryption of the file
+* `hash` containing the SHA-256 hexencoded string of the file or the BlurHash string (for images). The third array value is the lowercase chosen algorithm name: "sha256" or "blurhash".
 
 ```json
 {