fixed missing html line break

docs/api/materials/SpriteMaterial.html

@@ -24,7 +24,7 @@
 		<div>
 		color - color of the sprite<br/>
 		map - the texture map<br/>
-		rotation - the rotation of the sprite
+		rotation - the rotation of the sprite<br/>
 		fog - whether or not to use the scene fog<br/>
 		</div>