diff --git a/docs/2024-01-DE/quiz/income-quiz-solution.md b/docs/2024-01-DE/quiz/income-quiz-solution.md
index f456980..2742fc4 100644
--- a/docs/2024-01-DE/quiz/income-quiz-solution.md
+++ b/docs/2024-01-DE/quiz/income-quiz-solution.md
@@ -115,7 +115,7 @@ $$
where $X ~\sim \text{Bin}(10, \frac12)$. In other words,
$$
-\log_2 M = 2X - 10 + log_2 100
+\log_2 M = 2X - 10 + \log_2 100
$$
This means that we can calculate the exact probabilities asked in
@@ -124,8 +124,8 @@ questions 2 and 3 in terms of Binomial probabilities using the
of the Binomial distribution.
$$
-P(M \geq a) = P(\log_2 M \geq log_2 a)
-= P\left( X \geq \frac12 (log_2 a + 10 - log_2 100) \right)
+P(M \geq a) = P(\log_2 M \geq \log_2 a)
+= P\left( X \geq \frac12 (\log_2 a + 10 - \log_2 100) \right)
$$
diff --git a/docs/_layouts/default.html b/docs/_layouts/default.html
index d7f59b0..692c405 100644
--- a/docs/_layouts/default.html
+++ b/docs/_layouts/default.html
@@ -11,8 +11,8 @@
integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh"
crossorigin="anonymous">
-
-
+
+
diff --git a/docs/assets/styles/custom.css b/docs/assets/styles/custom.css
index 032a6ec..73c4fad 100644
--- a/docs/assets/styles/custom.css
+++ b/docs/assets/styles/custom.css
@@ -24,6 +24,7 @@ img
width: 100%;
}
+
div.language-r
{
font-family: 'Fira Code';