README: tagline names the Adobe app it reimplements; standard Adobe trademark and non-affiliation notice

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

README.md

@@ -10,7 +10,7 @@
 <h1 align="center">PhotoCraft</h1>
 
 <p align="center">
-  <b>The image editor you already know how to use.</b><br>
+  <b>Image editing; an open-source, clean-room reimplementation of Adobe Photoshop, rebuilt in pure Rust.</b><br>
   Layers, masks, adjustment layers, layer styles, type, vectors, brushes and real PSD files,<br>
   in a native app written entirely in Rust. Open source, offline, and yours.
 </p>
@@ -312,7 +312,7 @@ PhotoCraft is licensed under MIT or Apache-2.0.
 
 Every artwork shown is in the public domain (Wikimedia Commons, NASA, U.S. National Archives); sources are listed in [`docs/images/SOURCES.md`](docs/images/SOURCES.md).
 
-Photoshop is a trademark of Adobe Inc. PhotoCraft is an independent project, not affiliated with or endorsed by Adobe.
+<sub>Adobe, Photoshop, Illustrator, Premiere Pro, Lightroom, Acrobat, After Effects and InDesign are trademarks or registered trademarks of Adobe Inc. in the United States and/or other countries. PhotoCraft is an independent, open-source project and is not affiliated with, sponsored by or endorsed by Adobe Inc.; these names are used only to describe the workflows it is compatible with.</sub>
 
 <p align="center">
   <a href="https://getartcraft.com/"><img alt="ArtCraft" src="docs/brand/artcraft-mark.svg" width="28"></a><br>