docs: fix links typo (#427)

Author: meteorlxy

docs/guide/markdown.md

@@ -150,7 +150,7 @@ A list of all emojis available can be found [here](https://github.com/markdown-i
 
 [[toc]]
 
-Rendering of TOC can be configured using the [`markdown.toc`](../config/#markdowntoc) option.
+Rendering of TOC can be configured using the [`markdown.toc`](../config/#markdown-toc) option.
 
 ## Custom Containers
 

docs/zh/guide/markdown.md

@@ -148,7 +148,7 @@ lang = "en-US"
 
 [[toc]]
 
-目录（Table of Contents）的渲染可以通过  [`markdown.toc`](../config/#markdowntoc) 选项来配置。
+目录（Table of Contents）的渲染可以通过  [`markdown.toc`](../config/#markdown-toc) 选项来配置。
 
 ## 自定义容器