diff --git a/README.md b/README.md
index 1a50fc7bd111d47b707512b3e8e945d957d1bd35..4a2fe0166221f8cdbe8b94cb71e2a783b2c1ae10 100644
--- a/README.md
+++ b/README.md
@@ -23,8 +23,9 @@ Install the required C++ libraries:
 * [iriutils](https://gitlab.iri.upc.edu/labrobotica/algorithms/iriutils), a library with basic tools developed a IRI.
 * [comm](https://gitlab.iri.upc.edu/labrobotica/drivers/comm), a library with drivers for basic communication interfaces developed at IRI.
 * [dynamixel](https://gitlab.iri.upc.edu/labrobotica/drivers/dynamixel), a library which implements the dynamixel protocol developed at IRI.
+* [trajectory](https://gitlab.iri.upc.edu/labrobotica/algorithms/trajectory), a library to implement sequence of motions for any kind of motor developed at IRI.
 * [dynamixel_motor_cont](https://gitlab.iri.upc.edu/labrobotica/drivers/dynamixel_motor_cont), a library to handle dynmaixel based digital servos developed at IRI.
-* [arm_control](https://gitlab.iri.upc.edu/humanoides/tv3_arm/arm_driver), a library to control the 3 DOF robotic arm developed at IRI.
+* [arm_control](https://gitlab.iri.upc.edu/humanoides/tv3_arm/arm_control), a library to control the 3 DOF robotic arm developed at IRI.
 
 Install all ROS dependencies with the following commands: