diff --git a/src/main/java/org/jpeek/graph/XmlGraph.java b/src/main/java/org/jpeek/graph/XmlGraph.java
index fbf840b2..c6f81d54 100644
--- a/src/main/java/org/jpeek/graph/XmlGraph.java
+++ b/src/main/java/org/jpeek/graph/XmlGraph.java
@@ -35,6 +35,11 @@
 /**
  * Graph implementation built on skeleton.
  * @since 0.30.9
+ * @todo #473:30min Find a way to eliminate this
+ *  ClassDataAbstractionCouplingCheck. The class probably needs to be split
+ *  into smaller ones, perhaps extracting the maps into separate objects
+ *  (extending MapEnvelopes), or maybe the list itself.
+ * @checkstyle ClassDataAbstractionCouplingCheck (500 lines)
  */
 public final class XmlGraph implements Graph {