diff --git a/README.md b/README.md
index b4b58c6..b284cba 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ The renderer colors individual pixels to draw the 3D maze based on the wall leng
 ## Usage:
 
 ```
-./cub3d [map_file]
+./cub3D [map_file]
 ```
 
 ### Parameters: