diff --git a/webmagic-core/src/main/java/us/codecraft/webmagic/selector/SmartContentSelector.java b/webmagic-core/src/main/java/us/codecraft/webmagic/selector/SmartContentSelector.java
index c2e36df..10ab15c 100644
--- a/webmagic-core/src/main/java/us/codecraft/webmagic/selector/SmartContentSelector.java
+++ b/webmagic-core/src/main/java/us/codecraft/webmagic/selector/SmartContentSelector.java
@@ -8,7 +8,8 @@ import java.util.*;
 import java.util.concurrent.atomic.AtomicInteger;
 
 /**
- * 找到clear
+ * readability算法，基础是找到所有p标签的父节点
+ * 写的比较乱，最终效果还在尝试中
  * User: cairne
  * Date: 13-4-21
  * Time: 下午4:42