diff --git a/docs/15.大数据与MapReduce.md b/docs/15.大数据与MapReduce.md
index 095177d9..83e4cc5e 100644
--- a/docs/15.大数据与MapReduce.md
+++ b/docs/15.大数据与MapReduce.md
@@ -185,7 +185,6 @@ def batchPegasos(dataSet, labels, lam, T, k):
 
 [MR版本的代码位置](https://github.com/apachecn/MachineLearning/blob/master/src/python/15.BigData_MapReduce/mrSVM.py): <https://github.com/apachecn/MachineLearning/blob/master/src/python/15.BigData_MapReduce/mrSVM.py>
 
-
 * * *
 
 * **作者：[片刻](http://cwiki.apachecn.org/display/~jiangzhonglian) [小瑶](http://cwiki.apachecn.org/display/~chenyao)**