diff --git a/src/bin/blog_server/config.rs b/src/bin/blog_server/config.rs
index c819ad2..838dfe5 100644
--- a/src/bin/blog_server/config.rs
+++ b/src/bin/blog_server/config.rs
@@ -9,6 +9,8 @@ use knuffel::{
     DecodeScalar,
 };
 
+//TODO: replace knuffel crate with kdl crate
+
 #[derive(knuffel::Decode, Clone, Debug)]
 pub struct Config {
     #[knuffel(child, unwrap(argument))]