f comment

Author: TheBlueMatt

lightning/src/util/ser_macros.rs

@@ -1868,8 +1868,7 @@ mod tests {
 		let mut encoded = ExpandedField { new_field: (43, 42) }.encode();
 		assert_eq!(encoded, <Vec<u8>>::from_hex("0700012b01022b2a").unwrap());
 
-		// On read, we'll read the `new_field` and have a value other than `(0, 0)`, causing us to
-		// ignore the old field value (in byte 3).
+		// On read, we'll read a `new_field` which means we won't bother looking at `old_field`.
 		encoded[3] = 10;
 		let read = <ExpandedField as Readable>::read(&mut &encoded[..]).unwrap();
 		assert_eq!(read, ExpandedField { new_field: (43, 42) });