diff --git a/index.html b/index.html
index 4efd9d3..72a205a 100644
--- a/index.html
+++ b/index.html
@@ -232,7 +232,7 @@ <h2 id="requestMIDIAccess">requestMIDIAccess()</h2>
       </section>
 
       <section>
-        <h2 id="MIDIOptions"><a>MIDIOptions</a> dictionary</h2>
+        <h2 id="MIDIOptions"><a>MIDIOptions</a> Dictionary</h2>
         <p>This dictionary contains optional settings that may be provided to the requestMIDIAccess request.</p>
 
         <dl class="idl"
@@ -769,7 +769,7 @@ <h2 id="MIDIMessageEvent"><a>MIDIMessageEvent</a> Interface</h2>
         </dd>
       </dl>
       <section>
-        <h2 id="MIDIMessageEventInit"><a>MIDIMessageEventInit</a> Interface</h2>
+        <h2 id="MIDIMessageEventInit"><a>MIDIMessageEventInit</a> Dictionary</h2>
         <dl title="dictionary MIDIMessageEventInit : EventInit"
             class="idl">
           </dd>
@@ -819,7 +819,7 @@ <h2 id="MIDIConnectionEvent"><a>MIDIConnectionEvent</a> Interface</h2>
       </dl>
 
       <section>
-        <h2 id="MIDIConnectionEventInit"><a>MIDIConnectionEventInit</a> Interface</h2>
+        <h2 id="MIDIConnectionEventInit"><a>MIDIConnectionEventInit</a> Dictionary</h2>
         <dl title="dictionary MIDIConnectionEventInit : EventInit"
             class="idl">
           <dt>MIDIPort port</dt>