Clarify entry in changelog (bazel-contrib#752)

Author: Godin

org.jacoco.doc/docroot/doc/changes.html

@@ -38,8 +38,9 @@ <h3>New Features</h3>
       (GitHub <a href="https://github.com/jacoco/jacoco/issues/735">#735</a>,
       <a href="https://github.com/jacoco/jacoco/issues/741">#741</a>,
       <a href="https://github.com/jacoco/jacoco/issues/746">#746</a>).</li>
-  <li>Methods added by the Kotlin compiler are filtered out during generation
-      of report. Idea and implementation by Nikolay Krasko
+  <li>Methods added by the Kotlin compiler that do not have line numbers are
+      filtered out during generation of report. Idea and implementation by
+      Nikolay Krasko
       (GitHub <a href="https://github.com/jacoco/jacoco/issues/689">#689</a>).</li>
   <li>Branch added by the Kotlin compiler for reading from <code>lateinit</code>
       property is filtered out during generation of report. Implementation by