utils: oval: Improve doc comment

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/diziet-utils/utils.scad b/diziet-utils/utils.scad
index e689069901de4d80dcace9d6f7c077a76a7aafb4..d254d3bdefa3320b691c91c2ef2e6c40fd854766 100644 (file)
--- a/diziet-utils/utils.scad
+++ b/diziet-utils/utils.scad
@@ -55,7 +55,7 @@ module ellipse(radii) {
   scale(radii / r)
     circle(r);
 }
-module oval(radii){ // radii[0] > radii[1]
+module oval(radii){ // lying down: x > y, radii[0] > radii[1]
   xr = radii[0];
   yr = radii[1];
   hull(){