diff --git a/90.md b/90.md
index b94adc4d..8b76efc7 100644
--- a/90.md
+++ b/90.md
@@ -24,7 +24,7 @@ The network magic is contained in the `tags` field. This is to identify the netw
 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.
 
 # Protocol Flow
-The following are two protocol flow examples using the 1174 event kind. Other flows that could be used encompass various interactive/multi-party solutions such as coin joins, swaps or Schnorr bases multisig solutions (FROST/Musig2).
+The following are two protocol flow examples using the 1174 event kind. Other flows that could be used encompass various interactive/multi-party solutions such as coin joins, swaps or Schnorr based multisig solutions (FROST/Musig2).
 
 ## Multisig P2WSH
 2-of-2 Multisignature setup with Alice and Bob using a central coordinator