slight cleanup

README.md

@@ -1,6 +1,5 @@
 # Respawnable Pets
-This mod allows your tamed pets to respawn once you next sleep in a bed, with a configurable blacklist via
-the `respawnablepets:cannot_respawn` entity_types tag. Respawning is toggled with a new item, the Etheric Gem, which
+This mod allows your tamed pets to respawn once you next sleep in a bed, except for entities in the `respawnablepets:cannot_respawn` entity_types tag. Respawning is toggled with a new item, the Etheric Gem, which
 only works on pets you own.
 
 Toggling respawn status is done via interacting [Use Item/Place Block] with a pet. You can also set multiple pets in a

src/main/java/moriyashiine/respawnablepets/common/init/ModEntityTypeTags.java

@@ -5,9 +5,9 @@
 
 import moriyashiine.respawnablepets.common.RespawnablePets;
 import net.minecraft.entity.EntityType;
-import net.minecraft.registry.Registries;
+import net.minecraft.registry.RegistryKeys;
 import net.minecraft.registry.tag.TagKey;
 
 public class ModEntityTypeTags {
-	public static final TagKey<EntityType<?>> CANNOT_RESPAWN = TagKey.of(Registries.ENTITY_TYPE.getKey(), RespawnablePets.id("cannot_respawn"));
+	public static final TagKey<EntityType<?>> CANNOT_RESPAWN = TagKey.of(RegistryKeys.ENTITY_TYPE, RespawnablePets.id("cannot_respawn"));
 }