diff --git a/go/ics23.go b/go/ics23.go
index 8bc74f9d..700d0bde 100644
--- a/go/ics23.go
+++ b/go/ics23.go
@@ -1,6 +1,6 @@
 /**
 This implements the client side functions as specified in
-https://github.com/cosmos/ibc/tree/master/spec/core/ics-023-vector-commitments
+https://github.com/cosmos/ibc/tree/main/spec/core/ics-023-vector-commitments
 
 In particular: