Update Documentation for ros_gz Commands (#511)

Signed-off-by: Amronos <[email protected]>
Co-authored-by: Alejandro Hernández Cordero <[email protected]>

harmonic/ros2_integration.md

@@ -75,9 +75,13 @@ ros2 run rclcpp_components component_container --ros-args -r __node:=ros_gz_cont
 
 And now, the container will load your bridge with:
 ```bash
-ros2 launch ros_gz_bridge ros_gz_bridge.launch.py name:=ros_gz_bridge config_file:=<path_to_your_YAML_file>
+ros2 launch ros_gz_bridge ros_gz_bridge.launch.py bridge_name:=ros_gz_bridge config_file:=<path_to_your_YAML_file>
 ```
 
+Check [this block](https://github.com/gazebosim/ros_gz/blob/ros2/ros_gz_bridge/launch/ros_gz_bridge.launch.py#L27-L33)
+from the source code to know all the different parameters accepted by this
+launch file.
+
 ## Launching the bridge from a custom launch file in XML.
 
 It's also possible to trigger the bridge from your custom launch file. For that

harmonic/ros2_spawn_model.md

@@ -12,10 +12,10 @@ The package `ros_gz_sim` contains a launch file named
 existing simulation. Here's an example:
 
 ```bash
-ros2 launch ros_gz_sim ros_gz_spawn_model.launch.py world:=empty file:=$(ros2 pkg prefix --share ros_gz_sim_demos)/models/vehicle/model.sdf name:=my_vehicle x:=5.0 y:=5.0 z:=0.5
+ros2 launch ros_gz_sim ros_gz_spawn_model.launch.py world:=empty file:=$(ros2 pkg prefix --share ros_gz_sim_demos)/models/vehicle/model.sdf entity_name:=my_vehicle x:=5.0 y:=5.0 z:=0.5
 ```
 
-Check [this block](https://github.com/gazebosim/ros_gz/blob/cadae1c8323a74395c09a37e3de4c669c8c09d4f/ros_gz_sim/launch/ros_gz_spawn_model.launch.py#L33-L44)
+Check [this block](https://github.com/gazebosim/ros_gz/blob/ros2/ros_gz_sim/launch/ros_gz_spawn_model.launch.py#L26-L45)
 from the source code to know all the different parameters accepted by this
 launch file.