diff --git a/docs/module_version_changelog.txt b/docs/module_version_changelog.txt
deleted file mode 100644
index 61f4a7f07c2744b0af18de1af8256b79974a3908..0000000000000000000000000000000000000000
--- a/docs/module_version_changelog.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-iqb-aspect-module@0.1.0 -> iqb-aspect-module@0.1.1:
-  new:
-    - ButtonElement.action: undefined | 'previous' | 'next' | 'end';
diff --git a/docs/unit_definition_changelog.txt b/docs/unit_definition_changelog.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5f7feef61f2777c8f1ee2d9a32c58d89731a08af
--- /dev/null
+++ b/docs/unit_definition_changelog.txt
@@ -0,0 +1,6 @@
+iqb-aspect-module@0.1.0 -> iqb-aspect-module@0.1.1:
+  - change button element action: undefined | 'previous' | 'next' | 'end'
+
+iqb-aspect-definition@1.0.0
+  - Rename variable
+  - raise version to 1.0.0