Update ReadMe

README.md

@@ -22,6 +22,7 @@ This workspace contains five simulations of two robots, the "simple robot" and t
 4. Pull relevant packages, install dependencies, compile, and source the workspace by using:
     ```shell
     git clone https://gitlab.kit.edu/uquzq/trajektorien-des-menschlichen-aufstehens-fuer-die-entwicklung-eines-kooperativen-assistenzsystems.git
+    cd ~/trajektorien-des-menschlichen-aufstehens-fuer-die-entwicklung-eines-kooperativen-assistenzsystems/ros2_ws
     rosdep install --ignore-src --from-paths . -y -r
     colcon build --cmake-args -DCMAKE_BUILD_TYPE=Release --symlink-install
     source install/setup.bash