Update README.md

Ar-Ray-code · web-flow · commit 4094c5d477cd · 2022-03-27T09:28:13.000+09:00
diff --git a/README.md b/README.md
@@ -71,7 +71,7 @@ If you have NVIDIA Graphics, you can run YOLOX-ROS on GPU.
 - CUDA toolkit (11.0)
 - torch+cuda
 
-### Step3 : Demo
+### Step : Demo
 
 Connect your web camera.
 
