diff --git a/index.html b/index.html
index 80d236b..1f9b734 100644
--- a/index.html
+++ b/index.html
@@ -362,6 +362,16 @@ <h2>
                   instance of MIDIAccess will not be returned each time).
                 </p>
               </li>
+              <li>
+                <p>
+                  Initialize the underlying MIDI system and populate
+                  <var>access</var>'s {{MIDIAccess/inputs}} and
+                  {{MIDIAccess/outputs}} with the currently available [=MIDI
+                  input ports=] and [=MIDI output ports=]. If the underlying
+                  systems raise any errors, jump to the step labeled
+                  <em>failure</em> below.
+                </p>
+              </li>
               <li>
                 <p>
                   Call <var>resolver</var>'s <code>accept(value)</code> method