Update README.md

Darylxyx · web-flow · commit b4524dac346f · 2016-10-19T16:39:35.000+08:00
diff --git a/waterFall/README.md b/waterFall/README.md
@@ -1,12 +1,15 @@
 ### Usage
 
 ```
-init:
-var wtf = new WaterFull('.content', {
+//init
+var wtf = new WaterFull(container, {
 			type: listType,
 			urlField: 'picUrl'
 		});
+//listType: 1 -> 等高等宽 2 -> 等宽 3 -> 等高
+//urlField: 数据中图片url对应字段
 
-create:
+//create
 wtf.create(dataArr);
-```
+//生成DOM，append进容器中，可用于分页加载。
+```
