diff --git a/mycobot_description/urdf/600_urdf/mycobot_600_urdf.urdf b/mycobot_description/urdf/600_urdf/mycobot_600_urdf.urdf
index 12bbb95..7979c8f 100755
--- a/mycobot_description/urdf/600_urdf/mycobot_600_urdf.urdf
+++ b/mycobot_description/urdf/600_urdf/mycobot_600_urdf.urdf
@@ -144,6 +144,7 @@
   <joint name="joint3_to_joint2" type="revolute">
     <axis xyz="0 0 -1"/>
     <limit effort = "1000.0" lower = "-4.71" upper = "1.5708" velocity = "0"/>
+    <!-- <limit effort = "1000.0" lower = "-3.14" upper = "3.14" velocity = "0"/> -->
     <parent link="link1"/>
     <child link="link2"/>
     <!-- <origin xyz= "0 0  0" rpy = "1.5708 -1.5708 0"/>   -->
@@ -162,6 +163,7 @@
   <joint name="joint5_to_joint4" type="revolute">
     <axis xyz=" 0 0 -1"/>
     <limit effort = "1000.0" lower = "-4.53" upper = "1.3962" velocity = "0"/>
+    <!-- <limit effort = "1000.0" lower = "-2.96" upper = "2.97" velocity = "0"/> -->
     <parent link="link3"/>
     <child link="link4"/>
     <!-- <origin xyz= "0.25 0  -0.1091" rpy = "0 0 1.5708"/>   -->