Document insights from jacoco/eclemma#94
diff --git a/org.jacoco.doc/docroot/doc/faq.html b/org.jacoco.doc/docroot/doc/faq.html
index c86244b..c37c265 100644
--- a/org.jacoco.doc/docroot/doc/faq.html
+++ b/org.jacoco.doc/docroot/doc/faq.html
@@ -114,6 +114,12 @@
   situation.
 </p>
 
+<h3>Does JaCoCo run on the IBM JRE J9 and WebSphere?</h3>
+<p>
+  It does. To make the JaCoCo agent work please set the VM option
+  <code>-shareclassed:none</code>.
+</p>
+
 </div>
 <div class="footer">
   <span class="right"><a href="@jacoco.home.url@">JaCoCo</a> @qualified.bundle.version@</span>