diff --git a/Code/Patch/patch_for_bullseye.sh b/Code/Patch/patch_for_bullseye.sh
index 2646478..bff7466 100644
--- a/Code/Patch/patch_for_bullseye.sh
+++ b/Code/Patch/patch_for_bullseye.sh
@@ -2,8 +2,8 @@
 current_file=$0
 cd "$(dirname "$current_file")"
 
-sudo cp /boot/config.txt /boot/config-backup.txt
-sudo cp ./config.txt /boot/config.txt
+#sudo cp /boot/config.txt /boot/config-backup.txt
+#sudo cp ./config.txt /boot/config.txt
 sudo cp /usr/lib/arm-linux-gnueabihf/libmmal.so /usr/lib/arm-linux-gnueabihf/libmmal-backup.so.backup
 sudo cp ./libmmal.so /usr/lib/arm-linux-gnueabihf/libmmal.so
 
diff --git a/Tutorial.pdf b/Tutorial.pdf
index 0a973b1..5231f6e 100644
Binary files a/Tutorial.pdf and b/Tutorial.pdf differ