diff --git a/docs/devices/signalflow.md b/docs/devices/signalflow.md
index 066b9d5..18a8c94 100644
--- a/docs/devices/signalflow.md
+++ b/docs/devices/signalflow.md
@@ -12,21 +12,18 @@ Three different types of event are supported, all of which interact with [Patch]
 
 ```python
 from isobar import *
-from isobar.io.signalflow import SignalFlowOutputDevice
 from signalflow import *
 
 class Ping (Patch):
     def __init__(self, frequency: float = 440):
         super().__init__()
-        envelope = ASREnvelope(0, 0, 0.5)
         sine = SineOscillator(frequency)
+        envelope = ASREnvelope(0, 0, 0.5)
         output = sine * envelope * 0.25
         self.set_output(output)
         self.set_auto_free_node(envelope)
 
-graph = AudioGraph()
-output_device = SignalFlowOutputDevice(graph=graph)
-timeline = Timeline(120, output_device=output_device)
+timeline = Timeline(120, SignalFlowOutputDevice())
 timeline.schedule({
     # If a Patch class is passed to the `patch` property, a patch of this class
     # is created each time the event is triggered.
@@ -100,4 +97,4 @@ timeline.schedule({
     "duration": PLoop(PTri(10, 0.1, 0.5)),
 })
 timeline.run()
-```
\ No newline at end of file
+```