Update math-blocks.mdx (#1278)

docs/guides/math-blocks.mdx

@@ -1,6 +1,6 @@
 # Math blocks
 
-You can render math blocks via [remark-math](https://github.com/remarkjs/remark-math/tree/main/packages/remark-math) and [rehype-katex](https://github.com/remarkjs/remark-math/tree/main/packages/rehype-katex). remark-math parses math blocks and rehype-katex transforms the blocks into html elements with classes for styling. Also, you need to apply css style of KaTeX by yourself to render them properly.
+You can render math blocks via [remark-math](https://github.com/remarkjs/remark-math/tree/main/packages/remark-math) and [rehype-katex](https://github.com/remarkjs/remark-math/tree/main/packages/rehype-katex). remark-math parses math blocks and rehype-katex transforms the blocks into html elements with classes for styling. Also, you need to apply css style of [KaTeX](https://katex.org/) by yourself to render them properly.
 
 First, link a stylesheet and use the `$` syntax: