--- a/src/global.h	Mon Jun 13 15:47:16 2022 +0200
+++ b/src/global.h	Mon Jun 13 16:47:52 2022 +0200
@@ -51,6 +51,9 @@
 /*
  * Fermentables, Hops, Miscs, Yeasts and Mashs are stored in the
  * database in json arrays. These are the QList structures.
+ * For some purposes there are more fields then needed in these
+ * structures such as for inventory database i/o.
+ * Just use what is needed.
  */
 struct Fermentables
 {