diff --git a/README.md b/README.md
index e496c919..8904f669 100644
--- a/README.md
+++ b/README.md
@@ -73,7 +73,7 @@ The following input/ros topics are needed:
 
 ROS Paramater Input:
 - best_weights: String that is the path to the best weights file of yolov3 detection
-Defaults: `'src/pipe_weights.pt'`
+Defaults: `'src/pipe_weights.pt'` inside `ros2_ws` folder
 
 The following are the output topics:
 - /detection_image: The RGB Image topic with bounding box drawn on it for visualization and debugging purpose
@@ -86,6 +86,7 @@ How to build and run?
 ```
 $ colcon build --packages-select yolov3_ros
 $ . install/setup.bash
+$ cd greenhouse/ros2_ws/
 $ ros2 launch yolov3_ros pipe_detection.launch.py
 ```
 All the topics can be remapped in the launch file. The path to best_weights can also be changed inside the launch file.