docs: route-loader rectifications

Author: maiieul

packages/docs/src/routes/docs/(qwikrouter)/route-loader/index.mdx

@@ -16,7 +16,8 @@ contributors:
   - gioboa
   - Varixo
   - wmertens
-updated_at: '2026-05-10T00:00:00Z'
+  - maiieul
+updated_at: '2026-06-14T00:00:00Z'
 created_at: '2023-03-20T23:45:13Z'
 ---
 
@@ -88,8 +89,6 @@ export default component$(() => {
 });
 ```
 
-<Note>Don't read `signal.value` before checking `signal.error`. While the signal is in error state, accessing `.value` re-throws the error.</Note>
-
 ### Signaling failure from a loader
 
 Loaders signal failure two ways. Both put the signal into error state with `signal.error` set to a `ServerError` carrying `.status` (HTTP status) and `.data` (the payload):
@@ -223,7 +222,7 @@ export const useSubscription = routeLoader$(
 
 ### `serializationStrategy`
 
-By default the HTML response does **not** embed loader data. On hydration, the loader signal is empty until the browser fetches the JSON endpoint — meaning fast first paint, but a brief loading state for code that reads `.value` immediately.
+By default the HTML response does **not** embed loader data. This means that the loader signal is empty until the browser fetches the JSON endpoint — meaning fast first paint, but a brief loading state for code that reads `.value` immediately.
 
 | Value      | Behavior                                                                |
 | ---------- | ----------------------------------------------------------------------- |