diff --git a/_config.yml b/_config.yml
index 2f7efbe..90883d4 100644
--- a/_config.yml
+++ b/_config.yml
@@ -1 +1,4 @@
-theme: jekyll-theme-minimal
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+theme: jekyll-theme-minimal
+markdown: kramdown
+kramdown:
+  math_engine: mathjax
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diff --git a/_includes/head-custom.html b/_includes/head-custom.html
new file mode 100644
index 0000000..b83fbbc
--- /dev/null
+++ b/_includes/head-custom.html
@@ -0,0 +1,17 @@
+<script>
+    window.MathJax = {
+        tex: {
+            inlineMath: [
+                ['$', '$'],
+                ['\\(', '\\)'],
+            ],
+            displayMath: [
+                ['$$', '$$'],
+                ['\\[', '\\]'],
+            ],
+            processEscapes: true,
+        },
+    };
+</script>
+<script src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js" type="text/javascript"></script>
+<!-- link rel="shortcut icon" type="image/x-icon" href="/python-for-physicists/favicon.ico" -->
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diff --git a/modules/m08-quantum-computing/m08t01-cbits-to-qbits.md b/modules/m08-quantum-computing/m08t01-cbits-to-qbits.md
index d848c34..d297af5 100644
--- a/modules/m08-quantum-computing/m08t01-cbits-to-qbits.md
+++ b/modules/m08-quantum-computing/m08t01-cbits-to-qbits.md
@@ -36,21 +36,21 @@ Specifically, a qubit is a superposition of the orthonormal basis vectors of a t
 The *computational basis* is defined by eigenstates $\ket{0}$ and $\ket{1}$ and their superposition state:
 
 $$
-\ket{0} = \begin{pmatrix} 1 \\ 0 \end{pmatrix} 
+\ket{0} = \begin{pmatrix} 1 \\ 0 \end{pmatrix}, 
 \quad
-\ket{1} = \begin{pmatrix} 0 \\ 1 \end{pmatrix}
+\ket{1} = \begin{pmatrix} 0 \\ 1 \end{pmatrix};
 \quad
-\ket{\psi} = c_{0} \ket{0} + c_{1} \ket{1} 
+\ket{\psi} = c_{0} \ket{0} + c_{1} \ket{1}.
 $$
 
 The *standard basis* consists of the eigenstates $\ket{+}$ and $\ket{-}$ and their superposition state:
 
 $$
-\ket{+} = \frac{1}{\sqrt{2}} \begin{pmatrix} 1 \\ 1 \end{pmatrix} 
+\ket{+} = \frac{1}{\sqrt{2}} \begin{pmatrix} 1 \\ 1 \end{pmatrix}, 
 \quad
-\ket{-} = \frac{1}{\sqrt{2}} \begin{pmatrix} 1 \\ -1 \end{pmatrix}
+\ket{-} = \frac{1}{\sqrt{2}} \begin{pmatrix} 1 \\ -1 \end{pmatrix};
 \quad
-\ket{\psi} = c_{+} \ket{0} + c_{-} \ket{1} 
+\ket{\psi} = c_{+} \ket{0} + c_{-} \ket{1}.
 $$
 
 ### Entanglement