diff --git a/common/src/main/java/me/shedaniel/architectury/registry/CriteriaTriggersRegistry.java b/common/src/main/java/me/shedaniel/architectury/registry/CriteriaTriggersRegistry.java
index 50e953f3..8a8f16f6 100644
--- a/common/src/main/java/me/shedaniel/architectury/registry/CriteriaTriggersRegistry.java
+++ b/common/src/main/java/me/shedaniel/architectury/registry/CriteriaTriggersRegistry.java
@@ -1,3 +1,22 @@
+/*
+ * This file is part of architectury.
+ * Copyright (C) 2020, 2021 shedaniel
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
 package me.shedaniel.architectury.registry;
 
 import me.shedaniel.architectury.ExpectPlatform;
diff --git a/fabric/src/main/java/me/shedaniel/architectury/registry/fabric/CriteriaTriggersRegistryImpl.java b/fabric/src/main/java/me/shedaniel/architectury/registry/fabric/CriteriaTriggersRegistryImpl.java
index 70539e35..24cf7c19 100644
--- a/fabric/src/main/java/me/shedaniel/architectury/registry/fabric/CriteriaTriggersRegistryImpl.java
+++ b/fabric/src/main/java/me/shedaniel/architectury/registry/fabric/CriteriaTriggersRegistryImpl.java
@@ -1,3 +1,22 @@
+/*
+ * This file is part of architectury.
+ * Copyright (C) 2020, 2021 shedaniel
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
 package me.shedaniel.architectury.registry.fabric;
 
 import net.minecraft.advancements.CriteriaTriggers;
diff --git a/forge/src/main/java/me/shedaniel/architectury/registry/forge/CriteriaTriggersRegistryImpl.java b/forge/src/main/java/me/shedaniel/architectury/registry/forge/CriteriaTriggersRegistryImpl.java
index ef812f30..0610c8e7 100644
--- a/forge/src/main/java/me/shedaniel/architectury/registry/forge/CriteriaTriggersRegistryImpl.java
+++ b/forge/src/main/java/me/shedaniel/architectury/registry/forge/CriteriaTriggersRegistryImpl.java
@@ -1,3 +1,22 @@
+/*
+ * This file is part of architectury.
+ * Copyright (C) 2020, 2021 shedaniel
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
 package me.shedaniel.architectury.registry.forge;
 
 import net.minecraft.advancements.CriteriaTriggers;