diff --git a/README.md b/README.md
index 4a304e8c33909bcf41bc364d92ffb16ba75481b2..eca917442cfec02a5d41c67e5e39d31dad80e826 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,20 @@ at IRI. The following files are provided:
 
  * Main xacro file to be used to import the robot.
 
+This package also includes two launch files intended to simplify the use
+both the real and the simulated robot:
+
+ * description.launch: loads the robot description with the appropiate model
+and creates an instance of the robot_state_publisher ROS node. It has two
+arguments:
+
+  ** node_name: (default: ana) base name given to the robot related nodes.
+This parameter is useful when dealing with multiple instances of the same
+robot.
+
+  ** model: (default: ana) name of the xacro file to include. This parameter 
+is useful to specify different configurations of the same robot.
+
 # Dependencies
 
 This node has the following dependencies: