Update README

README.md

@@ -6,7 +6,7 @@ This ROS package contains physical descriptions of the Helena robot, based on th
 
 This node has the following dependencies:
 
-  * [iri_helena_description](https://gitlab.iri.upc.edu/labrobotica/ros/platforms/Pioneer3/iri_helena_description)
+  * [iri_pioneer3_description](https://gitlab.iri.upc.edu/labrobotica/ros/platforms/Pioneer3/iri_pioneer3_description)
   * [robot_state_publisher](http://wiki.ros.org/robot_state_publisher)
   * [xacro](http://wiki.ros.org/xacro)
   * [tf](http://wiki.ros.org/tf)