Fix the sampling rate listed on the home page which was outdated

website-src/index.html

@@ -65,7 +65,7 @@ <h2>Features</h2>
 						<ul>
 						    <li>Only $35 to build, with 3 components to solder</li>
 							<li>100% ham radio, always completely off-grid</li>
-							<li>Crystal-clear 16kHz 8-bit ADC/DAC audio, with filters and squelch</li>
+							<li>Crystal-clear 22kHz 8-bit ADC/DAC audio, with filters and squelch</li>
 							<li>Texting with notifications just like SMS &mdash; radio-based APRS messaging (not just location) with built-in 1200 baud modem</li>
 							<li>Scan through unlimited memories and groups</li>
 							<li>No battery means nothing to charge except your phone</li>