diff --git a/README.md b/README.md
index f3e032c..08ec79b 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,7 @@ This command builds the container defined in [`URSim/Dockerfile`](./URSim/Docker
 The same can be done for the ROS 2_Humble container
 
 ```bash
-docker build -t ros2_humble:latest ROS2_Humble
+docker build -t ros2_humble:latest ROS2_humble
 ```
 
 After all the containers are successfully built and the bridge network is established we can now start both containers. On one terminal run the following command to start the URSim container