comment about use of Result

Author: FGasper

internal/verifier/change_stream.go

@@ -366,7 +366,8 @@ func (verifier *Verifier) createChangeStream(
 
 // StartChangeStream starts the change stream.
 func (verifier *Verifier) StartChangeStream(ctx context.Context) error {
-	// Result seems a bit simpler than messing with 2 separate channels.
+	// Rather than Result we could have separate Timestamp and error channels,
+	// but the single channel seems simpler/cleaner.
 	resultChan := make(chan mo.Result[primitive.Timestamp])
 
 	go func() {