Update README.md

README.md

@@ -4,6 +4,8 @@ This ROS package contains the physical description of a 1:8 scale model car used
 
 # How to use it
 
+## Installation
+
 Move to workspace:
 ```
 roscd && cd ../src
@@ -26,6 +28,8 @@ Compile all the ROS packages with the following commands:
 catkin_make
 ```
 
+## Launch
+
 This package provides a simple launch file to display the physical description of the model car and control each of the joints using the [joint_state_publisher](http://wiki.ros.org/joint_state_publisher) node:
 ```
 roslaunch model_car_description description_test.launch