Fix ArrayCamera documentation for s/bounds/viewport

docs/api/en/cameras/ArrayCamera.html

@@ -14,7 +14,7 @@
 
 		<p class="desc">
 			[name] can be used in order to efficiently render a scene with a predefined set of cameras. This is an important performance aspect for rendering VR scenes.<br />
-			An instance of [name] always has an array of sub cameras. It's mandatory to define for each sub camera the *bounds* property which determines the part of the viewport that is rendered with this camera.
+			An instance of [name] always has an array of sub cameras. It's mandatory to define for each sub camera the *viewport* property which determines the part of the viewport that is rendered with this camera.
 		</p>
 
 		<h2>Example</h2>

docs/api/zh/cameras/ArrayCamera.html

@@ -15,7 +15,7 @@
 		<p class="desc">
 
 			[name] 用于更加高效地使用一组已经预定义的摄像机来渲染一个场景。这将能够更好地提升VR场景的渲染性能。<br />
-			一个 [name] 的实例中总是包含着一组子摄像机，应当为每一个子摄像机定义*bound*(边界)这个属性，这一属性决定了由该子摄像机所渲染的视口区域的大小。
+			一个 [name] 的实例中总是包含着一组子摄像机，应当为每一个子摄像机定义*viewport*(边界)这个属性，这一属性决定了由该子摄像机所渲染的视口区域的大小。
 		</p>
 
 		<h2>示例</h2>