diff --git a/README.md b/README.md
index 17d96a7..af72580 100644
--- a/README.md
+++ b/README.md
@@ -12,13 +12,13 @@ Here's a more stylish version of [Bash-Oneliner](https://onceupon.github.io/Bash
 
 - [Terminal Tricks](#terminal-tricks)
 - [Variable](#variable)
+- [Math](#math)
 - [Grep](#grep)
 - [Sed](#sed)
 - [Awk](#awk)
 - [Xargs](#xargs)
 - [Find](#find)
 - [Condition and Loop](#condition-and-loop)
-- [Math](#math)
 - [Time](#time)
 - [Download](#download)
 - [Random](#random)