diff --git a/doc/testing.html b/doc/testing.html
index 6288a552bf0..b9d1f4ed22f 100644
--- a/doc/testing.html
+++ b/doc/testing.html
@@ -72,9 +72,11 @@ id="toc-notes-for-specific-tests">Notes for Specific Tests</a>
 <li><a href="#non-us-locale" id="toc-non-us-locale">Non-US
 locale</a></li>
 <li><a href="#pkcs11-tests" id="toc-pkcs11-tests">PKCS11 Tests</a></li>
+</ul></li>
 <li><a href="#testing-ahead-of-time-optimizations"
-id="toc-testing-ahead-of-time-optimizations">Testing Ahead-of-time
-Optimizations</a></li>
+id="toc-testing-ahead-of-time-optimizations">### Testing Ahead-of-time
+Optimizations</a>
+<ul>
 <li><a href="#testing-with-alternative-security-providers"
 id="toc-testing-with-alternative-security-providers">Testing with
 alternative security providers</a></li>
@@ -599,8 +601,8 @@ element of the appropriate <code>@Artifact</code> class. (See
     JTREG=&quot;JAVA_OPTIONS=-Djdk.test.lib.artifacts.nsslib-linux_aarch64=/path/to/NSS-libs&quot;</code></pre>
 <p>For more notes about the PKCS11 tests, please refer to
 test/jdk/sun/security/pkcs11/README.</p>
-<h3 id="testing-ahead-of-time-optimizations">Testing Ahead-of-time
-Optimizations</h3>
+<h2 id="testing-ahead-of-time-optimizations">### Testing Ahead-of-time
+Optimizations</h2>
 <p>One way to improve test coverage of ahead-of-time (AOT) optimizations
 in the JDK is to run existing jtreg test cases in a special "AOT_JDK"
 mode. Example:</p>