docs: update docs

content/math-typesetting.md

@@ -1,6 +1,6 @@
 +++
 title = "Math Typesetting"
-date = "2019-03-08"
+date = "2022-10-20"
 description = "A brief guide to setup KaTeX"
 extra.math = true
 +++
@@ -9,18 +9,28 @@ Kita theme support $\LaTeX$ mathematical formulas using [KaTeX](https://katex.or
 
 <!--more-->
 
-- To enable KaTeX globally set the parameter `extra.math` to `true` in a project's configuration
-- To enable KaTeX on a per page basis include the parameter `extra.math = true` in content files
+- To enable KaTeX globally, set the parameter `extra.math` to `true` in a project's configuration.
+- To enable KaTeX on a per page basis, include the parameter `extra.math = true` in the frontmatter of content files.
 
-**Note:** Use the online reference of [Supported TeX Functions](https://katex.org/docs/supported.html)
+**Note:** Use the online reference of [Supported TeX Functions](https://katex.org/docs/supported.html).
 
 ### Examples
 
-<p>
-Inline math: $(varphi = dfrac{1+sqrt5}{2}= 1.6180339887…)$
-</p>
+#### Inline math
 
-Block math:
+```markdown
+When $x = \pi$, Euler's formula may be rewritten as $e^{i \pi} + 1 = 0$.
+```
+
+When $x = \pi$, Euler's formula may be rewritten as $e^{i \pi} + 1 = 0$.
+
+#### Block math
+
+```markdown
+$$
+ \varphi = 1+\frac{1} {1+\frac{1} {1+\frac{1} {1+\cdots} } }
+$$
+```
 
 $$
  \varphi = 1+\frac{1} {1+\frac{1} {1+\frac{1} {1+\cdots} } }