diff --git a/TODO.md b/TODO.md
index 4db956f..b86c410 100644
--- a/TODO.md
+++ b/TODO.md
@@ -1,3 +1,4 @@
 # To Do
 
 - tutorial
+- disabled backends (goes to configuration)
diff --git a/crates/pacdef_core/src/config.rs b/crates/pacdef_core/src/config.rs
index 7237af1..ecc2629 100644
--- a/crates/pacdef_core/src/config.rs
+++ b/crates/pacdef_core/src/config.rs
@@ -5,6 +5,7 @@ use std::path::Path;
 use anyhow::{bail, Context, Result};
 use serde_derive::{Deserialize, Serialize};
 
+// Update the master README if fields change.
 /// Config for the program, as listed in `$XDG_CONFIG_HOME/pacdef/pacdef.yaml`.
 #[derive(Debug, Serialize, Deserialize)]
 pub struct Config {