/**
* @brief Create an initialized BubbleEmitter.
*
- * @param[in] winSize The size of the bubble moving area, usually the same size as the background image actor.
+ * @param[in] winSize The size of the bubble moving area, usually the same size as the background.
* @param[in] shapeImage The alpha channnel of this texture defines the bubble shape.
* @param[in] maximumNumberOfBubble The maximum number of bubble needed.
* @param[in] bubbleSizeRange The size range of the bubbles; x component is the low bound, and y component is the up bound.