Clarify what data should be sent when a port is reopened

index.html

@@ -786,9 +786,9 @@ <h2 id="MIDIPort">
               </li>
               <li>
                 <p>
-                  If this port is an output port and has any pending data that
-                  is waiting to be sent, asynchronously begin sending that
-                  data.
+                  If this port is an output port and has any enqueued send data
+                  with timestamps in the future, asynchronously begin sending
+                  that data.
                 </p>
               </li>
               <li>
@@ -887,8 +887,8 @@ <h2 id="MIDIPort">
                   If the port is an input port, skip to the next step. If the
                   output port's <a data-lt="MIDIPort.state">.state</a> is not
                   <a data-lt="MIDIPortDeviceState.connected">"connected"</a>
-                  or if its .connection is "pending", clear all pending send
-                  data and skip to the next step. Clear any pending send data
+                  or if its .connection is "pending", clear all enqueued send
+                  data and skip to the next step. Clear any enqueued send data
                   in the system with timestamps in the future, then finish
                   sending any send messages with no timestamp or with a
                   timestamp in the past or present, prior to proceeding to