correct spelling to US english (#6077)

crypto/secp256k1/secp256k1.go

@@ -152,7 +152,7 @@ func (pubKey PubKey) Address() crypto.Address {
 	return crypto.Address(hasherRIPEMD160.Sum(nil))
 }
 
-// Bytes returns the pubkey marshalled with amino encoding.
+// Bytes returns the pubkey marshaled with amino encoding.
 func (pubKey PubKey) Bytes() []byte {
 	return []byte(pubKey)
 }

crypto/xchacha20poly1305/xchachapoly_test.go

@@ -83,7 +83,7 @@ func TestRandom(t *testing.T) {
 	}
 }
 
-// AFOREMENTIONED LICENCE
+// AFOREMENTIONED LICENSE
 // Copyright (c) 2009 The Go Authors. All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without