diff --git a/README.md b/README.md
index e78fd7e..e893f7e 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ This repository contains Arduino sketches and Arduino libraries maintained by th
 A hello world example used to play along with Git.
 
 - **Nexus_Omni4WD**
-Firmware for the Nexus Omni4WD wheel base for setting the wheel speeds independently. It is used to control the robot with ROS.
+Firmware for the Nexus Omni4WD wheel base for setting the wheel speeds independently. It is used to control the robot under ROS.
 
 ![ ](figures/NexusOmni4WD.png  "Nexus Omni 4WD")