diff --git a/90.md b/90.md
index fde6d0c0..4065b20d 100644
--- a/90.md
+++ b/90.md
@@ -16,9 +16,9 @@ PSBTs are encoded as a base64 string, and are contained in the `content` field.
 The network magic is contained in the `tags` field. This is to identify the network that the transaction is for. The [common ones](https://en.bitcoin.it/wiki/Protocol_documentation#Message_structure) are:
 ```
 - mainnet: f9beb4d9
-- testnet: 0b110907
+- testnet3: 0b110907
 - signet: 0a03cf40
-- regtest: fabfb5da
+- testnet/regtest: fabfb5da
 ``` 
 
 PSBTs transmitted via the Nostr network provide a decentralized communication layer, encryption, and digital signature benefits with no username and password required for participants to coordinate and sign transactions using separate sovereign bitcoin private keys.