diff --git a/docs/pages/release_notes.md b/docs/pages/release_notes.md
index 794293b75c..4e45593dd7 100644
--- a/docs/pages/release_notes.md
+++ b/docs/pages/release_notes.md
@@ -50,6 +50,8 @@ Note that XPath 1.0 support, the default XPath version, is deprecated since PMD
     *   [#2356](https://github.com/pmd/pmd/issues/2356): \[doc] Add missing doc about pmd.github.io
 *   java
     *   [#2378](https://github.com/pmd/pmd/issues/2378): \[java] AbstractJUnitRule has bad performance on large code bases
+*   java-bestpractices
+    *   [#2398](https://github.com/pmd/pmd/issues/2398): \[java] AbstractClassWithoutAbstractMethod false negative with inner abstract classes
 *   java-codestyle
     *   [#1164](https://github.com/pmd/pmd/issues/1164): \[java] ClassNamingConventions suggests to add Util for class containing only static constants
     *   [#1723](https://github.com/pmd/pmd/issues/1723): \[java] UseDiamondOperator false-positive inside lambda