diff --git a/main.go b/main.go
index 5ecde6e..239666e 100644
--- a/main.go
+++ b/main.go
@@ -35,13 +35,13 @@ import (
 //   In practice, savings will be even higher when gas is not being consumed continuously.
 //
 // When Tariff 1 is active, Tariff 2 isn't.
-//   Therefore, only updating their values on-change should at least half their storage capacity requirements
+// When energy is being imported, it is not being returned.
+//   Therefore, only updating their values on-change should save at least 75% storage capacity requirements
 //   An average month has 2 629 743.83 seconds.
 //   This saves at least:
 //     2,629,743.83 seconds * 4 bytes = 10,518,975.32 bytes = 10,518.98 kB = 10.52 MB
-//   This applies both to Dt1 and Dt2 as well as Rt1 and Rt2, so should be doubled.
-//     10.52 * 2 = 21.04 MB.
-//   In practice, savings will be even higher when electricity is not being consumed continuously.
+//   This applies both to Dt1 and Dt2 as well as Rt1 and Rt2, so should be quadrupled.
+//     10.52 * 4 = 42.08 MB.
 
 type Payload struct {
 	T   string `json:"t"`   // Timestamp