diff --git a/src/Nip19/Nip19Helper.php b/src/Nip19/Nip19Helper.php
index 2f89ce6..e7e0cb4 100644
--- a/src/Nip19/Nip19Helper.php
+++ b/src/Nip19/Nip19Helper.php
@@ -15,8 +15,7 @@
  * NIP-19 bech32-encoded entities
  *
  * Example reference Go library: https://github.com/nbd-wtf/go-nostr/blob/master/nip19/nip19.go
- * Example reference Javascript library:
- * Example reference Python library:
+ * Example reference Javascript library: https://github.com/nbd-wtf/nostr-tools/blob/master/nip19.ts
  *
  * https://github.com/Bit-Wasp/bech32/blob/master/src/bech32.php
  *