Change index.ros.org -> docs.ros.org.

action_msgs/README.md

@@ -2,7 +2,7 @@
 This package contains several messages and services useful for ROS 2 actions.
 More information about actions can be found on its [design article](http://design.ros2.org/articles/actions.html).
 
-For more information about ROS 2 interfaces, see [index.ros2.org](https://index.ros.org/doc/ros2/Concepts/About-ROS-Interfaces/).
+For more information about ROS 2 interfaces, see [docs.ros.org](https://docs.ros.org/en/rolling/Concepts/About-ROS-Interfaces.html).
 
 ## Messages (.msg)
 * [GoalInfo](msg/GoalInfo.msg): Goal identifier message, with a goal id and time stamp.

builtin_interfaces/README.md

@@ -3,7 +3,7 @@ A package containing message definitions for types defined in the OMG IDL Platfo
 
 For more information about ROS 2 time, see [design.ros2.org](https://design.ros2.org/articles/clock_and_time.html).
 
-For more information about ROS 2 interfaces, see [index.ros2.org](https://index.ros.org/doc/ros2/Concepts/About-ROS-Interfaces/).
+For more information about ROS 2 interfaces, see [docs.ros.org](https://docs.ros.org/en/rolling/Concepts/About-ROS-Interfaces.html).
 
 ## Messages (.msg)
 * [Duration](msg/Duration.msg): Describes a time duration composed of seconds and nanoseconds components.

composition_interfaces/README.md

@@ -2,7 +2,7 @@
 This is a package containing message and service definitions for managing composable nodes in a container process.
 Generally these services are used by the ROS 2 [`roslaunch`](https://design.ros2.org/articles/roslaunch.html) system.
 
-For more information about ROS 2 interfaces, see [index.ros2.org](https://index.ros.org/doc/ros2/Concepts/About-ROS-Interfaces/).
+For more information about ROS 2 interfaces, see [docs.ros.org](https://docs.ros.org/en/rolling/Concepts/About-ROS-Interfaces.html).
 
 ## Services (.srv)
 * [ListNodes](srv/ListNodes.srv): Retrieve a list of running composable nodes, including their names and ids.

lifecycle_msgs/README.md

@@ -5,7 +5,7 @@ managed nodes through a known state-machine.
 
 For more information about life cycle nodes see: [design.ros2.org](http://design.ros2.org/articles/node_lifecycle.html).
 
-For more information about ROS 2 interfaces, see [index.ros2.org](https://index.ros.org/doc/ros2/Concepts/About-ROS-Interfaces/).
+For more information about ROS 2 interfaces, see [docs.ros.org](https://docs.ros.org/en/rolling/Concepts/About-ROS-Interfaces.html).
 
 ## Messages (.msg)
 * [State](msg/State.msg): A lifecycle node's state-machine state.

rcl_interfaces/README.md

@@ -1,7 +1,7 @@
 # rcl_interfaces
 This package contains the messages and services which ROS client libraries will use under the hood to communicate higher level concepts such as parameters.
 
-For more information about ROS 2 interfaces, see [index.ros2.org](https://index.ros.org/doc/ros2/Concepts/About-ROS-Interfaces/)
+For more information about ROS 2 interfaces, see [docs.ros.org](https://docs.ros.org/en/rolling/Concepts/About-ROS-Interfaces.html)
 
 ## Parameter Groups
 Parameters are contained in groups.

rosgraph_msgs/README.md

@@ -3,7 +3,7 @@ This is a package containing message definitions relating to the ROS Computation
 
 For more information about ROS 2 clock, see [design.ros2.org](https://design.ros2.org/articles/clock_and_time.html).
 
-For more information about ROS 2 interfaces, see [index.ros2.org](https://index.ros.org/doc/ros2/Concepts/About-ROS-Interfaces/).
+For more information about ROS 2 interfaces, see [docs.ros.org](https://docs.ros.org/en/rolling/Concepts/About-ROS-Interfaces.html).
 
 ## Messages (.msg)
 * [Clock](msg/Clock.msg): Communicates the current ROS time.