diff --git a/README.md b/README.md
index 204f2ef..e8fd4a3 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,9 @@ mind-map notes.
 Everything is driven by Trilium's built-in **Public Share** feature plus a few frontend/backend scripts –
 no external dependencies (except `highlight.js`, vendored in `lib/`).
 
-![Gruvbox palette](https://raw.githubusercontent.com/morhetz/gruvbox/master/palette.png)
+![Gruvbox palette](assets/palette.png)
+
+*Palette from the [morhetz/gruvbox](https://github.com/morhetz/gruvbox) repository.*
 
 ## Features
 
diff --git a/assets/palette.png b/assets/palette.png
new file mode 100644
index 0000000..b19bd5e
Binary files /dev/null and b/assets/palette.png differ