diff --git a/math/README.md b/math/README.md
index abe184c..bc0499f 100644
--- a/math/README.md
+++ b/math/README.md
@@ -2,9 +2,11 @@
 
 <br>
 
+<br>
+
 ---
 
-### examples
+### some examples in this dir
 
 <br>