diff --git a/Tutorial.pdf b/Tutorial.pdf
index 5f4fb3c..53c11c6 100644
Binary files a/Tutorial.pdf and b/Tutorial.pdf differ
diff --git a/debug.log b/debug.log
new file mode 100644
index 0000000..d02e979
--- /dev/null
+++ b/debug.log
@@ -0,0 +1 @@
+[0523/084711.422:ERROR:crash_report_database_win.cc(427)] unexpected header