fix link to recently-moved MoveIt for ROS 1 tutorials

Author: v4hn

index.rst

@@ -3,7 +3,7 @@ MoveIt 2 Documentation
 
 Welcome to the unified MoveIt documentation, which includes tutorials, how-to-guides, core concepts, and more.
 
-MoveIt 2 is the robotic manipulation platform for ROS 2, and incorporates the latest advances in motion planning, manipulation, 3D perception, kinematics, control, and navigation. MoveIt 2 was first released in 2019; for ROS 1 documentation, see `MoveIt 1 tutorials <https://ros-planning.github.io/moveit_tutorials>`_.
+MoveIt 2 is the robotic manipulation platform for ROS 2, and incorporates the latest advances in motion planning, manipulation, 3D perception, kinematics, control, and navigation. MoveIt 2 was first released in 2019; for ROS 1 documentation, see `MoveIt 1 tutorials <https://moveit.github.io/moveit_tutorials>`_.
 
 .. image:: https://moveit.ros.org/assets/images/roadmap.png
    :width: 400px