diff --git a/63.md b/63.md
index 3702a83c..d3e8847a 100644
--- a/63.md
+++ b/63.md
@@ -8,7 +8,7 @@ Pre-authed Filters
 
 This NIP declares the use of event kind `33012` to represent one or more Nostr filters. 
 
-The `d` tag represents the subscription id and the `filter` tag describes a (NIP-01)[01.md] filter. 
+The `d` tag represents the subscription id and the `filter` tag contains the JSON-stringified (NIP-01)[01.md] filter. 
 
 Supporting relays interpret the tags of this event as if they were submitted in the `REQ` scheme while automatically authenticating the signer.