Update Install in README.md

Signed-off-by: Aarav Gupta <[email protected]>

README.md

@@ -59,7 +59,7 @@ This repository holds packages that provide integration between
 
 ## Install
 
-This branch supports ROS Rolling. See above for other ROS versions.
+This branch supports ROS Jazzy. See above for other ROS versions.
 
 ### Binaries
 
@@ -74,7 +74,7 @@ They are hosted at https://packages.ros.org.
 
 1. Install `ros_gz`
 
-        sudo apt install ros-rolling-ros-gz
+        sudo apt install ros-jazzy-ros-gz
 
 ### From source
 
@@ -86,12 +86,12 @@ Be sure you've installed
 
 #### Gazebo
 
-Install either [Edifice, Fortress, or Garden](https://gazebosim.org/docs).
+Install either [Garden or Harmonic](https://gazebosim.org/docs).
 
 Set the `GZ_VERSION` environment variable to the Gazebo version you'd
 like to compile against. For example:
 
-    export GZ_VERSION=edifice # IMPORTANT: Replace with correct version
+    export GZ_VERSION=harmonic # IMPORTANT: Replace with correct version
 
 > You only need to set this variable when compiling, not when running.
 
@@ -107,14 +107,14 @@ The following steps are for Linux and OSX.
     cd ~/ws/src
 
     # Download needed software
-    git clone https://github.com/gazebosim/ros_gz.git -b ros2
+    git clone https://github.com/gazebosim/ros_gz.git -b jazzy
     ```
 
 1. Install dependencies (this may also install Gazebo):
 
     ```
     cd ~/ws
-    rosdep install -r --from-paths src -i -y --rosdistro humble
+    rosdep install -r --from-paths src -i -y --rosdistro jazzy
     ```
 
     > If `rosdep` fails to install Gazebo libraries and you have not installed them before, please follow [Gazebo installation instructions](https://gazebosim.org/docs/latest/install).