better usage message

diff --git a/misc/tools/shadescript/shade.sh b/misc/tools/shadescript/shade.sh
index 7533002638769c8566e9bd6bc95375d6d827d12c..175a59788bcdc8454e0eec767f623e26869e8fdc 100644 (file)
--- a/misc/tools/shadescript/shade.sh
+++ b/misc/tools/shadescript/shade.sh
@@ -4,7 +4,8 @@ case "$#" in
        2)
                ;;
        *)
        2)
                ;;
        *)

-               echo "Usage: $1 directory shader.template"
+               echo "Usage: from xonotic-maps.pk3dir directory, copy and edit shader.template, then"
+               echo "  $0 texturepackname myshader.template"

                exit 1
                ;;
 esac
                exit 1
                ;;
 esac