diff --git a/examples/SignalTest/SignalTest.ino b/examples/SignalTest/SignalTest.ino
index 1d7cd66..d07456a 100755
--- a/examples/SignalTest/SignalTest.ino
+++ b/examples/SignalTest/SignalTest.ino
@@ -2,8 +2,9 @@
  * Example: Signal Test
  * Plays back the current signal strength level and morses out 
  * it's call sign at the end. You will need a HandyTalkie (HT)
- * to test the output of this example. You also need to 
- * download the PCM library.
+ * to test the output of this example. You will also need to 
+ * download the PCM library from 
+ * https://github.com/damellis/PCM
  * Connect the HamShield to your Arduino. Screw the antenna 
  * into the HamShield RF jack. Plug a pair of headphones into 
  * the HamShield. Connect the Arduino to wall power and then