diff --git a/NEWS b/NEWS
index c2abdf8e73fb173263685bb10d74fdd6d96eec97..1d04469fa67d74e133a2f4afcd8b05c962154693 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,5 @@
+* Add setter to relative motion matrix in edges.
+
 2018/05/17 - Release 4.1
 * Reset data when inserting robot.
 * Fix detection of hpp-wholebody-step.