diff --git a/src/main/java/thedarkcolour/exdeorum/blockentity/BarrelBlockEntity.java b/src/main/java/thedarkcolour/exdeorum/blockentity/BarrelBlockEntity.java
index 18cdf4d2..749c1004 100644
--- a/src/main/java/thedarkcolour/exdeorum/blockentity/BarrelBlockEntity.java
+++ b/src/main/java/thedarkcolour/exdeorum/blockentity/BarrelBlockEntity.java
@@ -75,7 +75,7 @@ public class BarrelBlockEntity extends EBlockEntity {
     public short compost;
     // compost colors
     public short r, g, b;
-    // used to avoid obsidian dupe
+    // Used to avoid triggering obsidian dupes in onContentsChanged, because Forge's FluidUtil actually modifies the tank for some reason
     private boolean isBeingFilledByPlayer;
 
     public BarrelBlockEntity(BlockPos pos, BlockState state) {
diff --git a/src/main/java/thedarkcolour/exdeorum/menu/MechanicalSieveMenu.java b/src/main/java/thedarkcolour/exdeorum/menu/MechanicalSieveMenu.java
index 056283cc..c78b20e4 100644
--- a/src/main/java/thedarkcolour/exdeorum/menu/MechanicalSieveMenu.java
+++ b/src/main/java/thedarkcolour/exdeorum/menu/MechanicalSieveMenu.java
@@ -122,7 +122,7 @@ public class MechanicalSieveMenu extends EContainerMenu {
             var clickedStack = slot.getItem();
             stack = clickedStack.copy();
 
-            if (clickedSlot > 1 && clickedSlot <= NUM_SLOTS) { // moving out of output slots
+            if (clickedSlot > 1 && clickedSlot < NUM_SLOTS) { // moving out of output slots
                 if (!moveItemStackTo(clickedStack, NUM_SLOTS, PLAYER_SLOTS + NUM_SLOTS, true)) {
                     return ItemStack.EMPTY;
                 }