Fix channel

Author: Tobias-Fischer

README.md

@@ -47,7 +47,7 @@ To get started with conda (or mamba) as package managers, you need to have a bas
 conda install mamba -c conda-forge
 
 # now create a new environment
-mamba create -n ros_galactic ros-galactic-desktop python=3.9 -c robostack-experimental -c conda-forge --no-channel-priority --override-channels
+mamba create -n ros_galactic ros-galactic-desktop python=3.9 -c robostack-galactic -c conda-forge --no-channel-priority --override-channels
 conda activate ros_galactic
 
 # optionally, install some compiler packages if you want to e.g. build packages in a colcon_ws: