--- a/touchevents.html	Thu Jun 05 23:24:51 2014 -0400
+++ b/touchevents.html	Thu Jun 05 23:28:20 2014 -0400
@@ -581,13 +581,13 @@
         </dd><dt id="widl-Touch-radiusX"><code>radiusX</code> of type <span class="idlAttrType">float</span>, readonly   </dt><dd>
           the radius of the ellipse which most closely circumscribes the
           touching area (e.g. finger, stylus) along the axis indicated by rotationAngle, in CSS pixels of
-          the same scale as screenX; <code>1</code> if no value is
-          known.  The value must be positive.
+          the same scale as screenX; <code>0</code> if no value is
+          known.  The value must not be negative.
         </dd><dt id="widl-Touch-radiusY"><code>radiusY</code> of type <span class="idlAttrType">float</span>, readonly   </dt><dd>
           the radius of the ellipse which most closely circumscribes the
           touching area (e.g. finger, stylus) along the axis perpendicular to that indicated by rotationAngle, in CSS pixels of
-          the same scale as screenY; <code>1</code> if no value is
-          known.  The value must be positive.
+          the same scale as screenY; <code>0</code> if no value is
+          known.  The value must not be negative.
         </dd><dt id="widl-Touch-rotationAngle"><code>rotationAngle</code> of type <span class="idlAttrType">float</span>, readonly   </dt><dd>
           <p>
             the angle (in degrees) that the ellipse described by <a>radiusX</a>