fix broken path (#176)

Signed-off-by: Derek Wang <whynowy@gmail.com>

docs/quick-start.md

@@ -107,7 +107,7 @@ kubectl logs -f even-odd-odd-sink-0-a6p0n main
 View the UI for the advanced pipleline at https://localhost:8443/
 ![Numaflow UI](assets/numaflow-ui-advanced-pipeline.png)
 
-The source code of the `even-odd` [User Defined Function](./user-defined-functions.md) can be found [here](https://github.com/numaproj/numaflow-go/tree/main/examples/function/evenodd). You also can replace the [Log](./sinks/log.md) Sink with some other sinks like [Kafka](./sinks/kafka.md) to forward the data to Kafka topics.
+The source code of the `even-odd` [User Defined Function](./user-defined-functions.md) can be found [here](https://github.com/numaproj/numaflow-go/tree/main/pkg/function/examples/evenodd). You also can replace the [Log](./sinks/log.md) Sink with some other sinks like [Kafka](./sinks/kafka.md) to forward the data to Kafka topics.
 
 The pipeline can be deleted by
 ```shell