Fix minor documentation mistakes

https://forum.pjrc.com/threads/52679-Teensyduino-1-42-Released?p=181195&viewfull=1#post181195

gui/index.html

@@ -1910,7 +1910,7 @@ The actual packets are taken
 	<h3>Notes</h3>
 	<p></p>
 </script>
-<script type="text/x-red" data-template-name="AudioSynthSimpleDrum">
+<script type="text/x-red" data-template-name="AudioSynthKarplusStrong">
 	<div class="form-row">
 		<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
 		<input type="text" id="node-input-name" placeholder="Name">
@@ -1995,7 +1995,7 @@ The actual packets are taken
 		a very accurate sine wave.  At least the upper 25 bits are believe
 		to be perfect.  This is mainly intended for testing 24 bit codec chips!</p>
 </script>
-<script type="text/x-red" data-template-name="AudioSynthWaveformSine">
+<script type="text/x-red" data-template-name="AudioSynthWaveformSineHires">
 	<div class="form-row">
 		<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
 		<input type="text" id="node-input-name" placeholder="Name">