multi: Fix typos [skip ci]

record/hop.go

@@ -5,11 +5,11 @@ import (
 )
 
 const (
-	// AmtOnionType is the type used in the onion to refrence the amount to
+	// AmtOnionType is the type used in the onion to reference the amount to
 	// send to the next hop.
 	AmtOnionType tlv.Type = 2
 
-	// LockTimeTLV is the type used in the onion to refenernce the CLTV
+	// LockTimeTLV is the type used in the onion to reference the CLTV
 	// value that should be used for the next hop's HTLC.
 	LockTimeOnionType tlv.Type = 4