diff --git a/example_cmake_python/README.md b/example_cmake_python/README.md
index 3c1b3bd..596a4f3 100644
--- a/example_cmake_python/README.md
+++ b/example_cmake_python/README.md
@@ -3,8 +3,7 @@
 ## Build the node
 
 ```
- mkdir colcon_ws
- mkdir colcon_ws/src
+ mkdir -p colcon_ws/src
  cd colcon_ws/src
  git clone https://github.com/picknikrobotics/generate_parameter_library.git
  cd ..