diff --git a/backend-rust/migrations/0001_initialize.up.sql b/backend-rust/migrations/0001_initialize.up.sql
index 3d102c6b..2d1a2ffe 100644
--- a/backend-rust/migrations/0001_initialize.up.sql
+++ b/backend-rust/migrations/0001_initialize.up.sql
@@ -192,6 +192,7 @@ CREATE TABLE accounts(
         BIGINT
         REFERENCES transactions,
     -- The total balance of this account in micro CCD.
+    -- TODO: Actually populate this in the indexer.
     amount
         BIGINT
         NOT NULL