Update TorusGeometry.html

Author: Mugen87

docs/api/en/geometries/TorusGeometry.html

@@ -49,7 +49,7 @@ <h3>
 		<p>
 			radius - Radius of the torus, from the center of the torus to the center
 			of the tube. Default is `1`. <br />
-			tube — Radius of the tube. Default is `0.4`. <br />
+			tube — Radius of the tube. Must be smaller than `radius`. Default is `0.4`. <br />
 			radialSegments — Default is `12` <br />
 			tubularSegments — Default is `48`. <br />
 			arc — Central angle. Default is Math.PI * 2.