diff --git a/39.md b/39.md
index 9565ffa8..47ab694e 100644
--- a/39.md
+++ b/39.md
@@ -15,8 +15,8 @@ Nostr protocol users may have other online identities such as usernames, profile
 A new optional `i` tag is introduced for `kind 0` metadata event contents in addition to name, about, picture fields as included in [NIP-01](https://github.com/nostr-protocol/nips/blob/master/01.md):
 ```json
 {
-    "id": "123",
-    "pubkey": "xxx",
+    "id": <id>,
+    "pubkey": <pubKey>,
     ...
     "tags": [
         ["i", "github:semisol", "9721ce4ee4fceb91c9711ca2a6c9a5ab"],