diff --git a/refs/refs-internal.h b/refs/refs-internal.h
index 24d79fb5c14642..9188ddbec2414f 100644
--- a/refs/refs-internal.h
+++ b/refs/refs-internal.h
@@ -667,7 +667,7 @@ extern struct ref_storage_be refs_be_packed;
 /*
  * A representation of the reference store for the main repository or
  * a submodule. The ref_store instances for submodules are kept in a
- * linked list.
+ * hash map; see get_submodule_ref_store() for more info.
  */
 struct ref_store {
 	/* The backend describing this ref_store's storage scheme: */