- * can't simply remove them from the struct, because that would render the
- * configs on existing systems corrupt. However, if you need the same number
- * of bytes for a *new* field, feel free to use them.
+ * can't simply remove them from the struct, because this gets written to
+ * disk, and if you change it then you'll break all existing systems.
+ * However, if you'd like to reclaim some of that space for another use, feel
+ * free to do so, as long as the sizes are kept identical.