1 files changed, 1 insertions, 0 deletions

diff --git a/94.md b/94.md
index eb8117a..e35dfa1 100644
--- a/94.md
+++ b/94.md
@@ -25,6 +25,7 @@ This NIP specifies the use of the `1063` event type, having in `content` a descr
 * `image` (optional) url of preview image with same dimensions
 * `summary` (optional) text excerpt
 * `alt` (optional) description for accessibility
+* `fallback` (optional) zero or more fallback file sources in case `url` fails
 
 ```json
 {