Editorial: Fix typo in Navigation API

s/excpetions/exceptions in navigation.updateCurrentEntry() steps

source

@@ -90398,7 +90398,7 @@ interface <dfn interface>NavigationHistoryEntry</dfn> : <span>EventTarget</span>
    <li><p>Let <var>serializedState</var> be
    <span>StructuredSerializeForStorage</span>(<var>options</var>["<code
    data-x="dom-NavigationUpdateCurrentEntryOptions-state">state</code>"]), rethrowing any
-   excpetions.</p></li>
+   exceptions.</p></li>
 
    <li><p>Set <var>current</var>'s <span data-x="nhe-she">session history entry</span>'s <span
    data-x="she-navigation-api-state">navigation API state</span> to
@@ -138883,6 +138883,7 @@ INSERT INTERFACES HERE
   Andrew Clover,
   Andrew Gove,
   Andrew Grieve,
+  Andrew Kaster,
   Andrew Macpherson, <!-- fuzzbomb on GitHub -->
   Andrew Oakley,
   Andrew Paseltiner,