diff --git a/README.md b/README.md
index 9ee4dbe..7fe9a1b 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,8 @@ Options:
 - `--show-seams`: do not carve the image, only outputs the energy and the relevant seams
 - `-f FUNCTION NAME`: the energy function to use, see the [beginning of the source file to see the available functions](src/seam-carving.cpp)
 - `-u`: when a mask is provided and no seam number is provided, remove seams until the zone to remove has disappeared. 
+- `--vertical`: use vertical seam (horizontal by default)
+- `--max-step`: maximum number of step (distance between two pixel to be removed in two consecutive rows)
 
 ## Generation of the images of the report