diff --git a/introduction.typ b/introduction.typ
index 9539f2e..d76cac8 100644
--- a/introduction.typ
+++ b/introduction.typ
@@ -2,18 +2,18 @@
 
 
 = Simulating the Epoch of Reionization
-== The Epoch of Reionization
-- Marks the universe’s last major phase transition: from neutral to ionized hydrogen.
+// == The Epoch of Reionization
+// - Marks the universe’s last major phase transition: from neutral to ionized hydrogen.
 
-- Shapes the large-scale structure of the intergalactic medium (IGM).
+// - Shapes the large-scale structure of the intergalactic medium (IGM).
 
-- Is strongly linked to the formation and growth of the first galaxies and black holes.
+// - Is strongly linked to the formation and growth of the first galaxies and black holes.
 
-- Sets the stage for many observables:
-  - CMB secondary anisotropies
-  - 21-cm signal
-  - high-z galaxy surveys.
-// reformulate
+// - Sets the stage for many observables:
+//   - CMB secondary anisotropies
+//   - 21-cm signal
+//   - high-z galaxy surveys.
+// // reformulate
 
 
 == The 21-cm signal
diff --git a/main.pdf b/main.pdf
index c80a9c8..e95672c 100644
Binary files a/main.pdf and b/main.pdf differ