Added some hint to -d in README

1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index c128023..812d037 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ And launch the game with
 ```
 ./hcl
 ```
-To start windowed 640x480 game. You can have fullscreen with `./hcl -f`.
+To start windowed 640x480 game. You can have fullscreen with `./hcl -f` or `./hcl -d` to have fullscreen at current desktop resolution.
 
 ![sreenshot on Pandora](screenshot.png "screenshot on Pandora")