diff --git a/addons/crm/doc/changelog.rst b/addons/crm/doc/changelog.rst
new file mode 100644
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--- /dev/null
+++ b/addons/crm/doc/changelog.rst
@@ -0,0 +1,10 @@
+.. _changelog:
+
+Changelog
+=========
+
+`trunk (saas-2)`
+----------------
+
+- ``crm``, ``crm_claim``: removed inheritance from ``base_stage`` class. Missing
+  methods have been added into ``crm`` and ``crm_claim``.
\ No newline at end of file
diff --git a/addons/crm/doc/index.rst b/addons/crm/doc/index.rst
new file mode 100644
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+++ b/addons/crm/doc/index.rst
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+CRM module documentation
+========================
+
+CRM documentation topics
+'''''''''''''''''''''''''
+
+Changelog
+'''''''''
+
+.. toctree::
+   :maxdepth: 1
+
+   changelog.rst