diff --git a/files/en-us/learn/mathml/first_steps/three_famous_mathematical_formulas/index.md b/files/en-us/learn/mathml/first_steps/three_famous_mathematical_formulas/index.md
index 64a9a802f8e1831..8be770657aa89c4 100644
--- a/files/en-us/learn/mathml/first_steps/three_famous_mathematical_formulas/index.md
+++ b/files/en-us/learn/mathml/first_steps/three_famous_mathematical_formulas/index.md
@@ -35,7 +35,7 @@ The goal is to rewrite the following math article using HTML and MathML:
 
 Although you don't need to be familiar with [LaTeX](https://en.wikipedia.org/wiki/LaTeX), it might be useful to know the LaTeX source from which it was generated:
 
-```
+```latex
 \documentclass{article}
 
 \usepackage{amsmath}
diff --git a/files/en-us/mdn/writing_guidelines/howto/markdown_in_mdn/index.md b/files/en-us/mdn/writing_guidelines/howto/markdown_in_mdn/index.md
index 3dc51e8f26e2a6c..65c73f282bfc435 100644
--- a/files/en-us/mdn/writing_guidelines/howto/markdown_in_mdn/index.md
+++ b/files/en-us/mdn/writing_guidelines/howto/markdown_in_mdn/index.md
@@ -80,6 +80,7 @@ On MDN, writers will use code fences for example code blocks. They must specify
   - `xml` - XML
   - `mathml` - MathML
   - `md` - Markdown
+  - `latex` - LaTeX
 - Command Prompts
   - `sh` - Bash/Shell
   - `batch` - Batch (Windows Shell)