address review

Author: MarqRazz

robotiq_description/urdf/robotiq_gripper.urdf.xacro

@@ -1,13 +1,13 @@
 <?xml version="1.0"?>
 <robot xmlns:xacro="http://wiki.ros.org/xacro" name="robotiq_gripper">
     <!-- parameters -->
-    <xacro:arg name="use_sim" default="true" />
+    <xacro:arg name="use_fake_hardware" default="true" />
 
     <!-- Import macros -->
     <xacro:include filename="$(find robotiq_description)/urdf/robotiq_gripper_macro.urdf.xacro" />
 
     <link name="world" />
-    <xacro:robotiq_gripper name="RobotiqGripperSystem" prefix="" parent="world" use_fake_hardware="$(arg use_sim)">
+    <xacro:robotiq_gripper name="RobotiqGripperSystem" prefix="" parent="world" use_fake_hardware="$(arg use_fake_hardware)">
         <origin xyz="0 0 0" rpy="0 0 0" />
     </xacro:robotiq_gripper>
-</robot>
+</robot>