diff --git a/docs/changelog.txt b/docs/changelog.txt
index fdc7c13e7..0dc119742 100644
--- a/docs/changelog.txt
+++ b/docs/changelog.txt
@@ -36,6 +36,9 @@ changelog.txt uses a syntax similar to RST, with a few special sequences:
 ## Fixes
 - `embark-assistant`: fixed order of factors when calculating min temperature
 
+## API
+- ``processArgs2()`` added to utils.lua, providing a callback interface for parameter parsing and getopt-like flexibility for parameter ordering and combination (see docs in ``library/lua/utils.lua`` and ``library/lua/3rdparty/alt_getopt.lua`` for details).
+
 # 0.47.04-r4
 
 ## Fixes