address sarah's feedback (#15280)

Author: florian-lefebvre

.changeset/dull-cities-hang.md

@@ -8,7 +8,7 @@ Updates how the local provider must be used when using the experimental Fonts AP
 
 Previously, there were 2 kinds of font providers: remote and local.
 
-Font providers are now unified. If you are using the local provider, here is how you can update:
+Font providers are now unified. If you are using the local provider, the process for configuring local fonts must be updated:
 
 ```diff
 -import { defineConfig } from "astro/config";
@@ -40,3 +40,7 @@ export default defineConfig({
     }
 });
 ```
+
+Once configured, there is no change to using local fonts in your project. However, you should inspect your deployed site to confirm that your new font configuration is being applied.
+
+See [the experimental Fonts API docs](https://docs.astro.build/en/reference/experimental-flags/fonts/) for more information.

.changeset/floppy-bikes-lick.md

@@ -4,7 +4,7 @@
 
 Exposes `root` on `FontProvider` `init()` context
 
-When building a `FontProvider` for the experimental Fonts API, the `init()` method receives a `context`. This context now exposes a `root` URL, useful for resolving local files:
+When building a custom `FontProvider` for the experimental Fonts API, the `init()` method receives a `context`. This context now exposes a `root` URL, useful for resolving local files:
 
 ```diff
 import type { FontProvider } from "astro";

packages/astro/src/core/errors/errors-data.ts

@@ -1412,7 +1412,7 @@ export const FontBufferNotFound = {
 	name: 'FontBufferNotFound',
 	title: 'Font buffer not found',
 	message: (url: string) =>
-		`No buffer was found for the \`"${url}"\` url passed to the \`getFontBuffer()\` function.`,
+		`No buffer was found for the \`"${url}"\` URL passed to the \`getFontBuffer()\` function.`,
 	hint: 'Make sure you pass a valid URL, obtained via the \`fontData\` object.',
 } satisfies ErrorData;