diff --git a/app/soapbox/features/compose/editor/index.tsx b/app/soapbox/features/compose/editor/index.tsx
index 0ffbded35..82b0cbae9 100644
--- a/app/soapbox/features/compose/editor/index.tsx
+++ b/app/soapbox/features/compose/editor/index.tsx
@@ -1,11 +1,9 @@
-/*
-MIT License
+/**
+ * This source code is derived from code from Meta Platforms, Inc.
+ * and affiliates, licensed under the MIT license located in the
+ * LICENSE file in the /app/soapbox/features/compose/editor directory.
+ */
 
-Copyright (c) Meta Platforms, Inc. and affiliates.
-
-This source code is licensed under the MIT license found in the
-LICENSE file in the /app/soapbox/features/compose/editor directory.
-*/
 import { AutoLinkPlugin, createLinkMatcherWithRegExp } from '@lexical/react/LexicalAutoLinkPlugin';
 import { LexicalComposer, InitialConfigType } from '@lexical/react/LexicalComposer';
 import { ContentEditable } from '@lexical/react/LexicalContentEditable';
diff --git a/app/soapbox/features/compose/editor/nodes/image-component.tsx b/app/soapbox/features/compose/editor/nodes/image-component.tsx
index 654685919..c5d302a07 100644
--- a/app/soapbox/features/compose/editor/nodes/image-component.tsx
+++ b/app/soapbox/features/compose/editor/nodes/image-component.tsx
@@ -1,12 +1,9 @@
 /**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
+ * This source code is derived from code from Meta Platforms, Inc.
+ * and affiliates, licensed under the MIT license located in the
+ * LICENSE file in the /app/soapbox/features/compose/editor directory.
  */
 
-
 import { useLexicalComposerContext } from '@lexical/react/LexicalComposerContext';
 import { useLexicalNodeSelection } from '@lexical/react/useLexicalNodeSelection';
 import { mergeRegister } from '@lexical/utils';
diff --git a/app/soapbox/features/compose/editor/nodes/image-node.tsx b/app/soapbox/features/compose/editor/nodes/image-node.tsx
index ab9fc0755..01bf9ad62 100644
--- a/app/soapbox/features/compose/editor/nodes/image-node.tsx
+++ b/app/soapbox/features/compose/editor/nodes/image-node.tsx
@@ -1,9 +1,7 @@
 /**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
+ * This source code is derived from code from Meta Platforms, Inc.
+ * and affiliates, licensed under the MIT license located in the
+ * LICENSE file in the /app/soapbox/features/compose/editor directory.
  */
 
 import { $applyNodeReplacement, DecoratorNode } from 'lexical';
diff --git a/app/soapbox/features/compose/editor/nodes/index.ts b/app/soapbox/features/compose/editor/nodes/index.ts
index 41448cf98..0357504d9 100644
--- a/app/soapbox/features/compose/editor/nodes/index.ts
+++ b/app/soapbox/features/compose/editor/nodes/index.ts
@@ -1,11 +1,8 @@
-/*
-MIT License
-
-Copyright (c) Meta Platforms, Inc. and affiliates.
-
-This source code is licensed under the MIT license found in the
-LICENSE file in the /app/soapbox/features/compose/editor directory.
-*/
+/**
+ * This source code is derived from code from Meta Platforms, Inc.
+ * and affiliates, licensed under the MIT license located in the
+ * LICENSE file in the /app/soapbox/features/compose/editor directory.
+ */
 
 import { CodeHighlightNode, CodeNode } from '@lexical/code';
 import { HashtagNode } from '@lexical/hashtag';
diff --git a/app/soapbox/features/compose/editor/nodes/mention-node.tsx b/app/soapbox/features/compose/editor/nodes/mention-node.tsx
index b3400da29..a559eda40 100644
--- a/app/soapbox/features/compose/editor/nodes/mention-node.tsx
+++ b/app/soapbox/features/compose/editor/nodes/mention-node.tsx
@@ -1,9 +1,7 @@
 /**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
+ * This source code is derived from code from Meta Platforms, Inc.
+ * and affiliates, licensed under the MIT license located in the
+ * LICENSE file in the /app/soapbox/features/compose/editor directory.
  */
 
 import { addClassNamesToElement } from '@lexical/utils';
diff --git a/app/soapbox/features/compose/editor/plugins/autosuggest-plugin.tsx b/app/soapbox/features/compose/editor/plugins/autosuggest-plugin.tsx
index c6db3284c..794742fc7 100644
--- a/app/soapbox/features/compose/editor/plugins/autosuggest-plugin.tsx
+++ b/app/soapbox/features/compose/editor/plugins/autosuggest-plugin.tsx
@@ -1,9 +1,7 @@
 /**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
+ * This source code is derived from code from Meta Platforms, Inc.
+ * and affiliates, licensed under the MIT license located in the
+ * LICENSE file in the /app/soapbox/features/compose/editor directory.
  */
 
 import { useLexicalComposerContext } from '@lexical/react/LexicalComposerContext';
diff --git a/app/soapbox/features/compose/editor/plugins/floating-block-type-toolbar-plugin.tsx b/app/soapbox/features/compose/editor/plugins/floating-block-type-toolbar-plugin.tsx
index 8f5a951c1..67fab475b 100644
--- a/app/soapbox/features/compose/editor/plugins/floating-block-type-toolbar-plugin.tsx
+++ b/app/soapbox/features/compose/editor/plugins/floating-block-type-toolbar-plugin.tsx
@@ -1,11 +1,8 @@
-/*
-MIT License
-
-Copyright (c) Meta Platforms, Inc. and affiliates.
-
-This source code is licensed under the MIT license found in the
-LICENSE file in the /app/soapbox/features/compose/editor directory.
-*/
+/**
+ * This source code is derived from code from Meta Platforms, Inc.
+ * and affiliates, licensed under the MIT license located in the
+ * LICENSE file in the /app/soapbox/features/compose/editor directory.
+ */
 
 import { useLexicalComposerContext } from '@lexical/react/LexicalComposerContext';
 import { $createHorizontalRuleNode } from '@lexical/react/LexicalHorizontalRuleNode';
diff --git a/app/soapbox/features/compose/editor/plugins/floating-link-editor-plugin.tsx b/app/soapbox/features/compose/editor/plugins/floating-link-editor-plugin.tsx
index c95e9739a..2b0d3ae27 100644
--- a/app/soapbox/features/compose/editor/plugins/floating-link-editor-plugin.tsx
+++ b/app/soapbox/features/compose/editor/plugins/floating-link-editor-plugin.tsx
@@ -1,11 +1,8 @@
-/*
-MIT License
-
-Copyright (c) Meta Platforms, Inc. and affiliates.
-
-This source code is licensed under the MIT license found in the
-LICENSE file in the /app/soapbox/features/compose/editor directory.
-*/
+/**
+ * This source code is derived from code from Meta Platforms, Inc.
+ * and affiliates, licensed under the MIT license located in the
+ * LICENSE file in the /app/soapbox/features/compose/editor directory.
+ */
 
 import { $isAutoLinkNode, $isLinkNode, TOGGLE_LINK_COMMAND } from '@lexical/link';
 import { useLexicalComposerContext } from '@lexical/react/LexicalComposerContext';
diff --git a/app/soapbox/features/compose/editor/plugins/floating-text-format-toolbar-plugin.tsx b/app/soapbox/features/compose/editor/plugins/floating-text-format-toolbar-plugin.tsx
index 4e554bbae..53c52fe4b 100644
--- a/app/soapbox/features/compose/editor/plugins/floating-text-format-toolbar-plugin.tsx
+++ b/app/soapbox/features/compose/editor/plugins/floating-text-format-toolbar-plugin.tsx
@@ -1,11 +1,8 @@
-/*
-MIT License
-
-Copyright (c) Meta Platforms, Inc. and affiliates.
-
-This source code is licensed under the MIT license found in the
-LICENSE file in the /app/soapbox/features/compose/editor directory.
-*/
+/**
+ * This source code is derived from code from Meta Platforms, Inc.
+ * and affiliates, licensed under the MIT license located in the
+ * LICENSE file in the /app/soapbox/features/compose/editor directory.
+ */
 
 import { $createCodeNode, $isCodeHighlightNode } from '@lexical/code';
 import { $isLinkNode, TOGGLE_LINK_COMMAND } from '@lexical/link';
diff --git a/app/soapbox/features/compose/editor/plugins/link-plugin.tsx b/app/soapbox/features/compose/editor/plugins/link-plugin.tsx
index c892a294a..07f24f447 100644
--- a/app/soapbox/features/compose/editor/plugins/link-plugin.tsx
+++ b/app/soapbox/features/compose/editor/plugins/link-plugin.tsx
@@ -1,11 +1,8 @@
-/*
-MIT License
-
-Copyright (c) Meta Platforms, Inc. and affiliates.
-
-This source code is licensed under the MIT license found in the
-LICENSE file in the /app/soapbox/features/compose/editor directory.
-*/
+/**
+ * This source code is derived from code from Meta Platforms, Inc.
+ * and affiliates, licensed under the MIT license located in the
+ * LICENSE file in the /app/soapbox/features/compose/editor directory.
+ */
 
 import { LinkPlugin as LexicalLinkPlugin } from '@lexical/react/LexicalLinkPlugin';
 import * as React from 'react';
diff --git a/app/soapbox/features/compose/editor/plugins/mention-plugin.tsx b/app/soapbox/features/compose/editor/plugins/mention-plugin.tsx
index f2746e3af..0465a6a75 100644
--- a/app/soapbox/features/compose/editor/plugins/mention-plugin.tsx
+++ b/app/soapbox/features/compose/editor/plugins/mention-plugin.tsx
@@ -1,9 +1,7 @@
 /**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
+ * This source code is derived from code from Meta Platforms, Inc.
+ * and affiliates, licensed under the MIT license located in the
+ * LICENSE file in the /app/soapbox/features/compose/editor directory.
  */
 
 import { useLexicalComposerContext } from '@lexical/react/LexicalComposerContext';
diff --git a/app/soapbox/features/compose/editor/utils/get-dom-range-rect.ts b/app/soapbox/features/compose/editor/utils/get-dom-range-rect.ts
index bf9c6b8c3..4f8d9eb0d 100644
--- a/app/soapbox/features/compose/editor/utils/get-dom-range-rect.ts
+++ b/app/soapbox/features/compose/editor/utils/get-dom-range-rect.ts
@@ -1,11 +1,8 @@
-/*
-MIT License
-
-Copyright (c) Meta Platforms, Inc. and affiliates.
-
-This source code is licensed under the MIT license found in the
-LICENSE file in the /app/soapbox/features/compose/editor directory.
-*/
+/**
+ * This source code is derived from code from Meta Platforms, Inc.
+ * and affiliates, licensed under the MIT license located in the
+ * LICENSE file in the /app/soapbox/features/compose/editor directory.
+ */
 
 /* eslint-disable eqeqeq */
 
diff --git a/app/soapbox/features/compose/editor/utils/get-selected-node.ts b/app/soapbox/features/compose/editor/utils/get-selected-node.ts
index c4522c12c..992eafa0a 100644
--- a/app/soapbox/features/compose/editor/utils/get-selected-node.ts
+++ b/app/soapbox/features/compose/editor/utils/get-selected-node.ts
@@ -1,11 +1,8 @@
-/*
-MIT License
-
-Copyright (c) Meta Platforms, Inc. and affiliates.
-
-This source code is licensed under the MIT license found in the
-LICENSE file in the /app/soapbox/features/compose/editor directory.
-*/
+/**
+ * This source code is derived from code from Meta Platforms, Inc.
+ * and affiliates, licensed under the MIT license located in the
+ * LICENSE file in the /app/soapbox/features/compose/editor directory.
+ */
 
 import { $isAtNodeEnd } from '@lexical/selection';
 import { ElementNode, RangeSelection, TextNode } from 'lexical';
diff --git a/app/soapbox/features/compose/editor/utils/point.ts b/app/soapbox/features/compose/editor/utils/point.ts
index 4cd951c82..f8de0f168 100644
--- a/app/soapbox/features/compose/editor/utils/point.ts
+++ b/app/soapbox/features/compose/editor/utils/point.ts
@@ -1,10 +1,9 @@
 /**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
+ * This source code is derived from code from Meta Platforms, Inc.
+ * and affiliates, licensed under the MIT license located in the
+ * LICENSE file in the /app/soapbox/features/compose/editor directory.
  */
+
 class Point {
 
   private readonly _x: number;
diff --git a/app/soapbox/features/compose/editor/utils/rect.ts b/app/soapbox/features/compose/editor/utils/rect.ts
index 1a7f4b769..901f30411 100644
--- a/app/soapbox/features/compose/editor/utils/rect.ts
+++ b/app/soapbox/features/compose/editor/utils/rect.ts
@@ -1,11 +1,10 @@
 /* eslint-disable no-dupe-class-members */
 /**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
+ * This source code is derived from code from Meta Platforms, Inc.
+ * and affiliates, licensed under the MIT license located in the
+ * LICENSE file in the /app/soapbox/features/compose/editor directory.
  */
+
 import { isPoint, Point } from './point';
 
 type ContainsPointReturn = {
diff --git a/app/soapbox/features/compose/editor/utils/set-floating-elem-position.ts b/app/soapbox/features/compose/editor/utils/set-floating-elem-position.ts
index 64ede997e..e9271e3dd 100644
--- a/app/soapbox/features/compose/editor/utils/set-floating-elem-position.ts
+++ b/app/soapbox/features/compose/editor/utils/set-floating-elem-position.ts
@@ -1,11 +1,8 @@
-/*
-MIT License
-
-Copyright (c) Meta Platforms, Inc. and affiliates.
-
-This source code is licensed under the MIT license found in the
-LICENSE file in the /app/soapbox/features/compose/editor directory.
-*/
+/**
+ * This source code is derived from code from Meta Platforms, Inc.
+ * and affiliates, licensed under the MIT license located in the
+ * LICENSE file in the /app/soapbox/features/compose/editor directory.
+ */
 
 const VERTICAL_GAP = 10;
 const HORIZONTAL_OFFSET = 5;
diff --git a/app/soapbox/features/compose/editor/utils/url.ts b/app/soapbox/features/compose/editor/utils/url.ts
index 3d0192d07..f10af4e5c 100644
--- a/app/soapbox/features/compose/editor/utils/url.ts
+++ b/app/soapbox/features/compose/editor/utils/url.ts
@@ -1,11 +1,8 @@
-/*
-MIT License
-
-Copyright (c) Meta Platforms, Inc. and affiliates.
-
-This source code is licensed under the MIT license found in the
-LICENSE file in the /app/soapbox/features/compose/editor directory.
-*/
+/**
+ * This source code is derived from code from Meta Platforms, Inc.
+ * and affiliates, licensed under the MIT license located in the
+ * LICENSE file in the /app/soapbox/features/compose/editor directory.
+ */
 
 export const sanitizeUrl = (url: string): string => {
   /** A pattern that matches safe  URLs. */