diff --git a/slides_2022/.gitignore b/slides_2022/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..c360c6f30cec1e7d515f0e8223273ae2df0c2166
--- /dev/null
+++ b/slides_2022/.gitignore
@@ -0,0 +1,2 @@
+mermaid-filter.err
+index.md