diff --git a/src/main/java/com/minelittlepony/unicopia/ability/magic/spell/crafting/TraitRequirementRecipe.java b/src/main/java/com/minelittlepony/unicopia/ability/magic/spell/crafting/TraitRequirementRecipe.java
index 1e2edf1f..0f503fe8 100644
--- a/src/main/java/com/minelittlepony/unicopia/ability/magic/spell/crafting/TraitRequirementRecipe.java
+++ b/src/main/java/com/minelittlepony/unicopia/ability/magic/spell/crafting/TraitRequirementRecipe.java
@@ -15,6 +15,9 @@ import net.minecraft.util.Identifier;
 import net.minecraft.util.JsonHelper;
 import net.minecraft.world.World;
 
+/**
+ * Recipe that requires an item and a certain number of traits to produce a result.
+ */
 public class TraitRequirementRecipe implements SpellbookRecipe {
     private final Identifier id;
     private final IngredientWithSpell requirement;
diff --git a/src/main/java/com/minelittlepony/unicopia/ability/magic/spell/effect/SpellType.java b/src/main/java/com/minelittlepony/unicopia/ability/magic/spell/effect/SpellType.java
index fa1c4120..ed11b3a9 100644
--- a/src/main/java/com/minelittlepony/unicopia/ability/magic/spell/effect/SpellType.java
+++ b/src/main/java/com/minelittlepony/unicopia/ability/magic/spell/effect/SpellType.java
@@ -33,7 +33,7 @@ import net.minecraft.util.Util;
 import net.minecraft.util.registry.Registry;
 
 public final class SpellType<T extends Spell> implements Affine, SpellPredicate<T> {
-    public static final Identifier EMPTY_ID = new Identifier("unicopia", "null");
+    public static final Identifier EMPTY_ID = new Identifier("unicopia", "none");
     public static final SpellType<?> EMPTY_KEY = new SpellType<>(EMPTY_ID, Affinity.NEUTRAL, 0xFFFFFF, false, SpellTraits.EMPTY, (t, c) -> null);
 
     private static final Registry<SpellType<?>> REGISTRY = Registries.createSimple(new Identifier("unicopia", "spells"));