diff --git a/introduction-to-sql-injection/build-presentation.sh b/introduction-to-sql-injection/build-presentation.sh
index afc539d..e0060c8 100755
--- a/introduction-to-sql-injection/build-presentation.sh
+++ b/introduction-to-sql-injection/build-presentation.sh
@@ -2,4 +2,6 @@
pandoc -s --mathml -i -t revealjs sql_injection.md -V theme=simple -o presentation.html --css=./robot-lung.css
-sed -i 's||\n\n\n\n\n|' presentation.html
+sed -i 's||\n\n\n\n\n|' presentation.html
+
+sed -i 's/Reveal.initialize({/Reveal.initialize({\n margin: 0.2,/' presentation.html
diff --git a/introduction-to-sql-injection/presentation.html b/introduction-to-sql-injection/presentation.html
index 5c8526b..fe24a07 100644
--- a/introduction-to-sql-injection/presentation.html
+++ b/introduction-to-sql-injection/presentation.html
@@ -237,6 +237,7 @@ Room.
// Full list of configuration options available at:
// https://revealjs.com/config/
Reveal.initialize({
+ margin: 0.2,
// Display controls in the bottom right corner
controls: true,