diff --git a/25_07_phd_defense/index.qmd b/25_07_phd_defense/index.qmd
index 7df7037..f2e57b5 100644
--- a/25_07_phd_defense/index.qmd
+++ b/25_07_phd_defense/index.qmd
@@ -242,7 +242,10 @@ plot(w[, 3],
 text(20, 0.5, TeX("$w_3(x)$"), cex = 2, col = "#e423b4")
 arrows(5, 0.25, 0, 0, , lwd = 4, bty = "n")
 plot.new()
-plot(rowSums(X * w), lwd = 4, type = "l", xlab = "", ylab = "", xaxt = "n", yaxt = "n", bty = "n", col = "#298829")
+plot(rowSums(X * w),
+  lwd = 4, type = "l", xlab = "", ylab = "", xaxt = "n",
+  yaxt = "n", bty = "n", col = "#298829"
+)
 ```
 
 :::