diff --git a/src/db/data.h b/src/db/data.h
index 5ebb7be..ef741cd 100644
--- a/src/db/data.h
+++ b/src/db/data.h
@@ -218,7 +218,7 @@ namespace db
     transaction_link link;    //!< Orders and links `spend` to `output`.
     crypto::key_image image;  //!< Unique ID for the spend
     output_id source;         //!< The output being spent
-    // `link`, `image`, and source must in this order for LMDB optimizations
+    // `link`, `image`, and `source` must in this order for LMDB optimizations
     std::uint64_t timestamp;  //!< Timestamp of spend
     std::uint64_t unlock_time;//!< Unlock time of spend
     std::uint32_t mixin_count;//!< Ring-size of TX output