tweaked stackable shulkerboxes for 1.17 fixes #989

src/main/java/carpet/CarpetSettings.java

@@ -192,7 +192,7 @@ public class CarpetSettings
 
     @Rule(
             desc = "Empty shulker boxes can stack to 64 when dropped on the ground",
-            extra = "To move them around between inventories, use shift click to move entire stacks",
+            extra = ".. or when manipulated inside the inventories",
             category = {SURVIVAL, FEATURE}
     )
     public static boolean stackableShulkerBoxes = false;