diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/capability/energy/IMatteryEnergyStorage.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/capability/energy/IMatteryEnergyStorage.kt
index 799f0a8ab..e83f907a4 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/capability/energy/IMatteryEnergyStorage.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/capability/energy/IMatteryEnergyStorage.kt
@@ -36,7 +36,7 @@ interface IMatteryEnergyStorage : IEnergyStorage {
 	 * Therefore, if you want/need to obey [energyFlow], use [extractEnergyChecked]
 	 *
 	 * General contracts:
-	 * * Negative values are not allowed, failing to comply with this contract will result in undefined behavior (worst case) or exception (best case)
+	 * * Negative values are not allowed, failing to comply with this contract will result in undefined behavior in worst case or nothing in best case
 	 * * Returned value CAN NOT be bigger than requested [howMuch], implementations failing to obey this contract will cause undefined behavior in upstream code.
 	 * Upstream code SHOULD NOT check for this contract.
 	 *
@@ -68,7 +68,7 @@ interface IMatteryEnergyStorage : IEnergyStorage {
 	 * Therefore, if you want/need to obey [energyFlow], use [receiveEnergyChecked]
 	 *
 	 * General contracts:
-	 * * Negative values are not allowed, failing to comply with this contract will result in undefined behavior (worst case) or exception (best case)
+	 * * Negative values are not allowed, failing to comply with this contract will result in undefined behavior in worst case or nothing in best case
 	 * * Returned value CAN NOT be bigger than requested [howMuch], implementations failing to obey this contract will cause undefined behavior in upstream code.
 	 * Upstream code SHOULD NOT check for this contract.
 	 *