diff --git a/changelog b/changelog
index efcecc79108..7f9d35e8224 100644
--- a/changelog
+++ b/changelog
@@ -1,6 +1,8 @@
 Version 1.5.9+svn:
  * Language and i18n:
    * updated translations: British English, Dutch, German, Slovenian
+ * Miscellaneous and bug fixes:
+   * Fix flickering of units in the second part of the tutorial (bug #12923)
 
 Version 1.5.9:
  * Campaigns: