Fix stray ">"

Author: Elchi3

index.html

@@ -389,7 +389,7 @@ <h2>The <dfn>PerformanceObserver</dfn> interface</h2>
     subscription for all event types — this is possible, but discouraged, as it
     will generate a significant volume of events.</p>
     <section data-dfn-for="PerformanceObserverCallbackOptions" data-link-for=
-    "PerformanceObserverCallbackOptions">>
+    "PerformanceObserverCallbackOptions">
       <h2><dfn>PerformanceObserverCallbackOptions</dfn> dictionary</h2>
       <pre class="idl">
         dictionary PerformanceObserverCallbackOptions {