diff --git a/quarto/_quarto.yml b/quarto/_quarto.yml
index a42072d..37002f6 100644
--- a/quarto/_quarto.yml
+++ b/quarto/_quarto.yml
@@ -138,16 +138,16 @@ format:
     number-depth: 3
     toc-depth: 3
     link-external-newwindow: true
-  pdf:
-    documentclass: scrbook
-    classoption: [oneside]
-    keep-tex: true
-    geometry:
-      - top=30mm
-      - left=10mm
-      - right=10mm
-      - heightrounded
-    colorlinks: true
+#  pdf:
+#    documentclass: scrbook
+#    classoption: [oneside]
+#    keep-tex: true
+#    geometry:
+#      - top=30mm
+#      - left=10mm
+#      - right=10mm
+#      - heightrounded
+#    colorlinks: true
 
 execute:
   error: true
diff --git a/quarto/limits/limits.qmd b/quarto/limits/limits.qmd
index 8b3b665..b7ae2c3 100644
--- a/quarto/limits/limits.qmd
+++ b/quarto/limits/limits.qmd
@@ -1555,7 +1555,7 @@ Compute the limit
 
 
 $$
-\lim_{x \rightarrow 0} \frac{\tan(x) - 24 * \tan(x/2)}{4  \sin(x) - 5  x}.
+\lim_{x \rightarrow 0} \frac{\tan(x) - 24  \tan(x/2)}{4  \sin(x) - 5  x}.
 $$
 
 ```{julia}
@@ -1658,7 +1658,7 @@ yesnoq("yes")
 The limit
 
 $$
-L= \lim_{x \rightarrow 0} \left(\frac{(a^x - x \log(a)}{b^x - x\log(b)}\right)^{1/x^2}
+L= \lim_{x \rightarrow 0} \left(\frac{a^x - x \log(a)}{b^x - x\log(b)}\right)^{1/x^2}
 $$
 
 For $a=3$ and $b=2$