diff --git a/common/src/main/java/me/shedaniel/architectury/hooks/screen/ScreenAccess.java b/common/src/main/java/me/shedaniel/architectury/hooks/screen/ScreenAccess.java
index af5cc9e3..034e8e3f 100644
--- a/common/src/main/java/me/shedaniel/architectury/hooks/screen/ScreenAccess.java
+++ b/common/src/main/java/me/shedaniel/architectury/hooks/screen/ScreenAccess.java
@@ -1,3 +1,22 @@
+/*
+ * This file is part of architectury.
+ * Copyright (C) 2020, 2021 architectury
+ *
+ * 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.hooks.screen;
 
 import net.minecraft.client.gui.components.AbstractWidget;
diff --git a/common/src/main/java/me/shedaniel/architectury/impl/ScreenAccessImpl.java b/common/src/main/java/me/shedaniel/architectury/impl/ScreenAccessImpl.java
index c8e8b2ea..93402006 100644
--- a/common/src/main/java/me/shedaniel/architectury/impl/ScreenAccessImpl.java
+++ b/common/src/main/java/me/shedaniel/architectury/impl/ScreenAccessImpl.java
@@ -1,3 +1,22 @@
+/*
+ * This file is part of architectury.
+ * Copyright (C) 2020, 2021 architectury
+ *
+ * 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.impl;
 
 import me.shedaniel.architectury.hooks.screen.ScreenAccess;