diff --git a/daily_work.md b/daily_work.md
index eb02a7b..5f08dee 100644
--- a/daily_work.md
+++ b/daily_work.md
@@ -2,4 +2,7 @@
 
     20/05/2020: mise en place de l'environnement de travail, intalation Ubuntu 16.04 LTS
     
-    22/05/2020: debugage ubuntu, instalation ROS et prise de connaisssance de ROS http://wiki.ros.org/ROS/Tutorials
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+    22/05/2020: debugage ubuntu, instalation ROS et prise de connaisssance de ROS http://wiki.ros.org/ROS/Tutorials
+    
+    26/05/2020: documention sur ROS gazebo et le pioneer3DX https://afsyaw.wordpress.com/2017/01/14/running-the-pioneer-3dx-in-gazebo-and-ros-kinetic-part-ii/  https://www.youtube.com/channel/UCQLEPbkEmwz4mABAV-kzQTQ/videos...
+    
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