Categorize changes.
diff --git a/org.jacoco.doc/docroot/doc/changes.html b/org.jacoco.doc/docroot/doc/changes.html
index 7764247..e3142e1 100644
--- a/org.jacoco.doc/docroot/doc/changes.html
+++ b/org.jacoco.doc/docroot/doc/changes.html
@@ -20,13 +20,23 @@
 
 <h2>Snapshot Build @qualified.bundle.version@ (@build.date@)</h2>
 
+<h3>New Features</h3>
+
 <h3>Fixed Bugs</h3>
 <ul>
   <li>Skip jacoco instrumentation for mvn modules with package type ear (GitHub <a href="https://github.com/jacoco/jacoco/issues/169">#169</a>).</li>
-  <li>Align skip conditions and messages and give reasons (GitHub <a href="https://github.com/jacoco/jacoco/issues/171">#171</a>).</li>
+</ul>
+
+<h3>API Changes</h3>
+<ul>
   <li>Restrict visibility of methods in abstract classes of jacoco-maven-plugin (GitHub <a href="https://github.com/jacoco/jacoco/issues/175">#175</a>).</li>
 </ul>
 
+<h3>Non-functional Changes</h3>
+<ul>
+  <li>Align skip conditions and messages for Maven goals and give reasons (GitHub <a href="https://github.com/jacoco/jacoco/issues/171">#171</a>).</li>
+</ul>
+
 <h2>Release 0.6.4 (2013/12/10)</h2>
 
 <h3>New Features</h3>