diff --git a/frontend/src/plugins/layout/TexPlugin.tsx b/frontend/src/plugins/layout/TexPlugin.tsx
index 8312dcbb475..4300d10721c 100644
--- a/frontend/src/plugins/layout/TexPlugin.tsx
+++ b/frontend/src/plugins/layout/TexPlugin.tsx
@@ -30,8 +30,13 @@ const importKatex = once(async () => {
   return (await import("katex")).default;
 });
 
+const importMhChem = once(async () => {
+  // @ts-ignore : type is not exported by katex
+  await import("katex/contrib/mhchem");
+});
+
 async function renderLatex(mount: HTMLElement, tex: string): Promise<void> {
-  const katex = await importKatex();
+  const [katex] = await Promise.all([importKatex(), importMhChem()]);
   if (tex.startsWith("||(||(") && tex.endsWith("||)||)")) {
     // when $$...$$ is used without newlines before/after the $$.
     katex.render(tex.slice(6, -6), mount, {
diff --git a/marimo/_tutorials/markdown.py b/marimo/_tutorials/markdown.py
index ec9238a8f16..f0b2aad7edf 100644
--- a/marimo/_tutorials/markdown.py
+++ b/marimo/_tutorials/markdown.py
@@ -103,6 +103,23 @@ def __(mo):
     return
 
 
+@app.cell(hide_code=True)
+def __(mo):
+    mo.accordion(
+        {
+            "Note: KaTeX": mo.md(
+                """
+                marimo actually uses KaTeX, a math typesetting library for the
+                web which supports a subset of LaTeX. For a list of
+                (un)supported commands, visit
+                https://katex.org/docs/support_table
+                """
+            )
+        }
+    )
+    return
+
+
 @app.cell(hide_code=True)
 def __(mo):
     mo.md(
@@ -138,7 +155,6 @@ def _sine_plot():
         plt.plot(_x, np.sin(_x))
         return plt.gca()
 
-
     mo.md(
         f"""
         ### Plots
@@ -214,7 +230,6 @@ def make_dataframe():
         y = np.sin(x)
         return pd.DataFrame({"x": x, "sin(x)": y})
 
-
     mo.md(
         f"""
         ### Other objects
@@ -297,6 +312,7 @@ def plotsin(amplitude, period):
         plt.plot(x, amplitude * np.sin(2 * np.pi / period * x))
         plt.ylim(-2.2, 2.2)
         return plt.gca()
+
     return (plotsin,)
 
 
@@ -334,7 +350,9 @@ def __(amplitude, mo, period, plotsin):
 def __(mo):
     matplotlib_installed = False
     numpy_installed = False
-    missing_numpy_msg = mo.md("Oops! Looks like you don't have `numpy` installed.")
+    missing_numpy_msg = mo.md(
+        "Oops! Looks like you don't have `numpy` installed."
+    )
     missing_matplotlib_msg = mo.md(
         "Oops! Looks like you don't have `matplotlib` installed."
     )
@@ -367,6 +385,7 @@ def __():
     import math
 
     import marimo as mo
+
     return math, mo