diff --git a/18.md b/18.md
index c8bf224..784946a 100644
--- a/18.md
+++ b/18.md
@@ -39,7 +39,7 @@ of the `mark` argument. The first argument MAY be either an event id or an addre
 
 `["q", <event-id-or-address>, <relay-url>, <pubkey>]`
 
-Quote reposts MUST include the bech32-encoded `nevent`, `note`, or `naddr` of the
+Quote reposts MUST include the [NIP-19](19.md) `nevent`, `note`, or `naddr` of the
 event in the content. The embedded entity should match the type of the tag (in
 other words, if embedding a `naddr`, the `q` tag should contain an address, not
 an event id).