diff --git a/crates/grove-lib/src/types.rs b/crates/grove-lib/src/types.rs
index 2671793..50893a9 100644
--- a/crates/grove-lib/src/types.rs
+++ b/crates/grove-lib/src/types.rs
@@ -1,3 +1,4 @@
+// Core domain types
 use chrono::{DateTime, Utc};
 use serde::{Deserialize, Serialize};
 use std::path::PathBuf;