diff --git a/docs/walkthrough/problem.rst b/docs/walkthrough/problem.rst
index a702d35d..4b28eaba 100644
--- a/docs/walkthrough/problem.rst
+++ b/docs/walkthrough/problem.rst
@@ -74,3 +74,11 @@ The lifecycle of an ``EphemeralVolumeClaim`` is this:
 
 * Deletes the ``PersistentVolumeClaim`` after either the pod is finished,
   or the wait time has elapsed.
+
+.. seealso::
+    This documentation only highlights the main patterns & tricks of Kopf,
+    but does not dive deep into the implementation of the operator's domain.
+    The fully functional solution for ``EphemeralVolumeClaim`` resources,
+    which is used for this documentation, is available at the following link:
+
+    * https://github.com/nolar/ephemeral-volume-claims