From 2366f76a06231e8317f6eb637c01ee95699026f9 Mon Sep 17 00:00:00 2001
From: Spencer Russell <spencer.f.russell@gmail.com>
Date: Mon, 28 Mar 2016 00:27:58 -0400
Subject: [PATCH] adds attribution for GR example

---
 examples/spectrum.jl | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/examples/spectrum.jl b/examples/spectrum.jl
index 431673e..c0cc0e9 100644
--- a/examples/spectrum.jl
+++ b/examples/spectrum.jl
@@ -1,3 +1,6 @@
+# plot a real-time spectrogram. This example is adapted from the GR example
+# at http://gr-framework.org/examples/audio_ex.html
+
 module SpectrumExample
 
 using GR, PortAudio, SampleTypes