diff --git a/packages/editor/src/extensions/font-family/font-family.ts b/packages/editor/src/extensions/font-family/font-family.ts
index 330de5e69..edf7473ca 100644
--- a/packages/editor/src/extensions/font-family/font-family.ts
+++ b/packages/editor/src/extensions/font-family/font-family.ts
@@ -1,3 +1,22 @@
+/*
+This file is part of the Notesnook project (https://notesnook.com/)
+
+Copyright (C) 2022 Streetwriters (Private) Limited
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
 import "@tiptap/extension-text-style";
 import { getFontConfig } from "@notesnook/theme/dist/theme/font";
 import { Extension } from "@tiptap/core";
diff --git a/packages/editor/src/extensions/font-family/index.ts b/packages/editor/src/extensions/font-family/index.ts
index ec5078470..c9016e345 100644
--- a/packages/editor/src/extensions/font-family/index.ts
+++ b/packages/editor/src/extensions/font-family/index.ts
@@ -1,5 +1,24 @@
-import { FontFamily } from './font-family'
+/*
+This file is part of the Notesnook project (https://notesnook.com/)
 
-export * from './font-family'
+Copyright (C) 2022 Streetwriters (Private) Limited
 
-export default FontFamily
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+import { FontFamily } from "./font-family";
+
+export * from "./font-family";
+
+export default FontFamily;