diff --git a/slides/chapter-12.en.md b/slides/chapter-12.en.md
index 8d9aeea..0acfe9f 100644
--- a/slides/chapter-12.en.md
+++ b/slides/chapter-12.en.md
@@ -189,7 +189,7 @@ An advanced example
& Average & Worst \\
\midrule
Stack & $\mathcal{O}(n)$ & $\mathcal{O}(n)$ \\
- Binary tree & $\mathcal{O}(log(n))$ & $\mathcal{O}(log(n))$ \\
+ Binary tree & $\mathcal{O}(log(n))$ & $\mathcal{O}(n)$ \\
AVL tree & $\mathcal{O}(log(n))$ & $\mathcal{O}(log(n))$ \\
\bottomrule
\end{tabular}
diff --git a/svg/chapter-12/table-advanced-example-crop.svg b/svg/chapter-12/table-advanced-example-crop.svg
index 1582329..52a33d2 100644
--- a/svg/chapter-12/table-advanced-example-crop.svg
+++ b/svg/chapter-12/table-advanced-example-crop.svg
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diff --git a/svg/chapter-12/table-advanced-example-orig.svg b/svg/chapter-12/table-advanced-example-orig.svg
index ae71df4..cade7a5 100644
--- a/svg/chapter-12/table-advanced-example-orig.svg
+++ b/svg/chapter-12/table-advanced-example-orig.svg
@@ -109,222 +109,211 @@
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diff --git a/svg/chapter-12/table-advanced-example.tex b/svg/chapter-12/table-advanced-example.tex
index 2f99dc1..705d15b 100644
--- a/svg/chapter-12/table-advanced-example.tex
+++ b/svg/chapter-12/table-advanced-example.tex
@@ -15,7 +15,7 @@
& Average & Worst \\
\midrule
Stack & $\mathcal{O}(n)$ & $\mathcal{O}(n)$ \\
- Binary tree & $\mathcal{O}(log(n))$ & $\mathcal{O}(log(n))$ \\
+ Binary tree & $\mathcal{O}(log(n))$ & $\mathcal{O}(n)$ \\
AVL tree & $\mathcal{O}(log(n))$ & $\mathcal{O}(log(n))$ \\
\bottomrule
\end{tabular}