diff --git a/CHANGELOG.md b/CHANGELOG.md
index 347df3a5f53a94d7409999c654c5bce42774693a..628d4cf037917feb94443153b2de4e32afe7810f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,7 +8,8 @@ All notable changes to this project will be documented in this file.
 ## v0.8.2 [06.11.2017]
 
 ### Added 
-- Aug 2017 Automatic room definition
+- Automatic stair definition: 1. define type (stair) and two different elevations of the rooms.
+- Aug 2017 Automatic room definition (still buggy)
 - Jul 2017 Auto door and obstacle assignment
 
 ### Changed