1 files changed, 11 insertions, 4 deletions

diff --git a/19.md b/19.md
index e63ca00..ab3b578 100644
--- a/19.md
+++ b/19.md
@@ -35,6 +35,7 @@ These are the possible bech32 prefixes with `TLV`:
   - `nprofile`: a nostr profile
   - `nevent`: a nostr event
   - `nrelay`: a nostr relay
+  - `naddr`: a nostr parameterized replaceable event coordinate (NIP-33)
 
 These possible standardized `TLV` types are indicated here:
 
@@ -42,11 +43,17 @@ These possible standardized `TLV` types are indicated here:
   - depends on the bech32 prefix:
     - for `nprofile` it will be the 32 bytes of the profile public key
     - for `nevent` it will be the 32 bytes of the event id
-    - for `nrelay`, this is the relay URL.
-  - for `nprofile`, `nevent` and `nrelay` this may be included only once.
+    - for `nrelay`, this is the relay URL
+    - for `naddr`, it is the identifier (the `"d"` tag) of the event being referenced
 - `1`: `relay`
-  - A relay in which the entity (profile or event) is more likely to be found, encoded as UTF-8. This may be included multiple times.
-  - not applicable to `nrelay`.
+  - for `nprofile`, `nevent` and `naddr`, a relay in which the entity (profile or event) is more likely to be found, encoded as ascii
+  - this may be included multiple times
+- `2`: `author`
+  - for `naddr`, the 32 bytes of the pubkey of the event
+- `3`: `kind`
+  - for `naddr`, the 32-bit unsigned integer of the kind, big-endian
+
+
 ## Examples
 
 - `npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6` should decode into the public key hex `3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d` and vice-versa