typo fix in Sphere.html

docs/api/en/math/Sphere.html

@@ -47,7 +47,7 @@
 		[page:Vector3 target] — the result will be copied into this Vector3.<br /><br />
 
 		Clamps a point within the sphere. If the point is outside the sphere, it will clamp it to the
-		closets point on the edge of the sphere. Points already inside the sphere will not be affected.
+		closest point on the edge of the sphere. Points already inside the sphere will not be affected.
 		</p>
 
 		<h3>[method:Sphere clone]()</h3>