diff --git a/build.sh b/build.sh
index edfae38..e12e77c 100755
--- a/build.sh
+++ b/build.sh
@@ -92,8 +92,10 @@ do
 	    echo -e "\t-c | --compile"
 	    echo -e "\t-dc | --dont-compile (default)"
 	    echo -e "\t-d | --display [\"HDMI\"|\"VGA\"] (default: $CUBIETRUCK_DISPLAY)"
+	    echo -e "\t-gz | --compress (default: $COMPRESS)"
 	    echo -e "\t-n | --image-name [\"nom\"] (default: $IMG_NAME)"
 	    echo -e "\t-r | --rootfs-version [\"version number\"] (default: $ROOTFS_VERSION)"
+	    echo -e "\t-s | --image-size [size in MB] (default: $IMAGE_SIZE_MB)"
 	    echo -e "\t-o | --output [/directory/] (default: $DEST)"
 	    echo -e "\t     --package-binaries"
 	    echo -e "\t\tpackage compiled binaries into $BINARIES_DIR-$VERSION.tar.xz"