1 files changed, 5 insertions, 0 deletions

diff --git a/crates/ra_hir/src/from_id.rs b/crates/ra_hir/src/from_id.rs
index c08203bca..089dbc908 100644
--- a/crates/ra_hir/src/from_id.rs
+++ b/crates/ra_hir/src/from_id.rs
@@ -1,3 +1,8 @@
+//! Utility module for converting between hir_def ids and code_model wrappers.
+//!
+//! It's unclear if we need this long-term, but it's definitelly useful while we
+//! are splitting the hir.
+
 use hir_def::{AdtId, EnumVariantId, ModuleDefId};
 
 use crate::{Adt, EnumVariant, ModuleDef};