diff --git a/59.md b/59.md
index 6570556..6b5be84 100644
--- a/59.md
+++ b/59.md
@@ -70,7 +70,7 @@ A `gift wrap` event is a `kind:1059` event that wraps any other event. `tags` SH
 
 To maximize privacy: 
 1. `.created_at` MAY not be accurate. 
-2. The `extension` tag can be used to minimize the existence of the event after a certain date. 
+2. The `expiration` tag can be used to minimize the existence of the event after a certain date. 
 3. Relays MAY only serve `kind 1059` events intended for the marked recipient based on user AUTH. 
 4. Clients MAY only send wrapped events to destination relays that offer this protection.