diff --git a/Mage/src/mage/abilities/effects/CostModificationEffect.java b/Mage/src/mage/abilities/effects/CostModificationEffect.java
index 874e5bcc57d..97516182f63 100644
--- a/Mage/src/mage/abilities/effects/CostModificationEffect.java
+++ b/Mage/src/mage/abilities/effects/CostModificationEffect.java
@@ -47,7 +47,7 @@ public interface CostModificationEffect<T extends CostModificationEffect<T>> ext
 	 * Called by the {@link ContinuousEffects#costModification(java.util.UUID, mage.abilities.Ability, mage.game.Game) ContinuousEffects.costModification}
 	 * method.
 	 *
-	 * @param game The game for which this effect should be applied to.
+	 * @param game The game for which this effect should be applied.
 	 * @param source The source ability of this effect.
 	 * @param abilityToModify The {@link mage.abilities.SpellAbility} or {@link Ability} which should be modified.
 	 * @return
@@ -58,9 +58,9 @@ public interface CostModificationEffect<T extends CostModificationEffect<T>> ext
 	 * Called by the {@link ContinuousEffects#costModification(mage.abilities.Ability, mage.game.Game) ContinuousEffects.costModification}
 	 * method.
 	 * 
-	 * @param objectId The ability
-	 * @param source
-	 * @param game
+	 * @param abilityToModify The ability to possibly modify.
+	 * @param source The source ability of this effect.
+	 * @param game The game for which this effect shoul dbe applied.
 	 * @return
 	 */
 	public boolean applies(Ability abilityToModify, Ability source, Game game);