diff --git a/doc/changelog.rst b/doc/changelog.rst
index c7358b216ce83c1d1664867a4e324905c92c91e3..938ecb1dd6d9af8f2eb7e28a4cd6ed061771100c 100644
--- a/doc/changelog.rst
+++ b/doc/changelog.rst
@@ -24,6 +24,7 @@ unreleased
     -  Add function to align OL to FEL pulse Id :mr:`218`
     -  Add reflectivity routine :mr:`218`
     -  Possibility to extract run values of mnemonics :mr:`220`
+    -  Add get_undulator_config function :mr:`225`
 
 1.6.0
 -----