From 0973297d39452bb24ab50b67dca0816cae4802a1 Mon Sep 17 00:00:00 2001
From: Arjo Chakravarty <arjoc@intrinsic.ai>
Date: Tue, 16 Jul 2024 17:11:57 +0800
Subject: [PATCH] Update README.md

Signed-off-by: Arjo Chakravarty <arjoc@intrinsic.ai>
Signed-off-by: Arjo Chakravarty <arjoc@google.com>
---
 README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 7241e9d..8547978 100644
--- a/README.md
+++ b/README.md
@@ -111,10 +111,11 @@ vcs import src < rmf.repos
 ```
 
 Update your rosdep definitions and install dependencies via `rosdep`.
-Replace `humble` with ROS 2 distro of your choice.
+Replace `$ROS_DISTRO` with ROS 2 distro of your choice.
 
 ```bash
 cd ~/rmf_ws
+sudo apt update
 rosdep update
 # source your preferred ROS distribution. Eg: `source /opt/ros/rolling/setup.bash`
 rosdep install --from-paths src --ignore-src --rosdistro $ROS_DISTRO -y