Update maximum delay recommendations

gui/index.html

 	<h3>Functions</h3>
 	<p class=func><span class=keyword>delay</span>(channel, milliseconds);</p>
 	<p class=desc>Set output channel (0 to 7) to delay the signals by
-		milliseconds.  The maximum delay is approx 333 ms.  The actual delay
+		milliseconds.  The maximum delay is approx 425 ms.  The actual delay
 		is rounded to the nearest sample.  Each channel can be configured for
 		any delay.  There is no requirement to configure the "taps" in increasing
 		delay order.
 	<h3>Functions</h3>
 	<p class=func><span class=keyword>delay</span>(channel, milliseconds);</p>
 	<p class=desc>Set output channel (0 to 7) to delay the signals by
-		milliseconds.  The maximum delay is approx 333 ms.  The actual delay
+		milliseconds.  The maximum delay is approx 1.5 seconds for each 23LC1024 chip.
+		The actual delay
 		is rounded to the nearest sample.  Each channel can be configured for
 		any delay.  There is no requirement to configure the "taps" in increasing
 		delay order.