diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 07ec9add92440140d08db07aaf2e9fc1c12abec7..00bd9b3e2765afaf9c8de816bfbbc5882b8c2eca 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -11,6 +11,7 @@ Changes in Release <RELEASE NUMBER>
   * Added Molck API to the ost.mol.alg module.
   * Extended lDDT API in ost.mol.alg module to reproduce functionality of lddt
     binary.
+  * Added `actions` interface including one action to compare structures.
 
 Changes in Release 1.7.1
 --------------------------------------------------------------------------------
@@ -183,4 +184,3 @@ Changes in Release 1.2.0 (since 1.1.0)
    to lDDT
 
  * new superposition dialog in DNG
-