diff --git a/fretboard.html b/fretboard.html
index 3c86076..05f044b 100644
--- a/fretboard.html
+++ b/fretboard.html
@@ -57,6 +57,7 @@
             <li>Click the <strong>Quiz</strong> link to view a URL for a quiz featuring a blank Fretboard.  Testees viewing Quiz links can click all notes matching the Page Title.  Clicking the <strong>Check Answer!</strong> button (only available with Quiz URLs) will highlight 'correct' notes in green and 'wrong' notes in red, per the view created by the tester.</li>
             <li>Click the <strong>Reset</strong> link to get a fresh URL.</li>
             <li>Click the <strong>Random Interval</strong> button to view two random notes, with the root colored in red.  Guess the related interval of the blank green note and click the 'Check Answer' button to view the interval.  The intervals are based on the last Notegroup chosen, ie, after clicking a 'Symmetrical Diminished' Notegroup, a double-flat 7 will appear in place of a Major 13.</li>
+            <li>Click the <strong>Random Root</strong> button to show the root of a randome <Strong>Notegroup</Strong>, which will be identified above the fretboard on the right.  Paint the notes of the notegroup and click the <Strong>Intervals</Strong> button to see the notes of the notegroup colored in black.</li>
 
 
         </ul>