Update src/routes/solid-start/building-your-application/rendering-modes.mdx

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: atilafassina

src/routes/solid-start/building-your-application/rendering-modes.mdx

@@ -35,7 +35,7 @@ No suspense fallbacks are shown in the browser, which makes this mode ideal for
 :::
 
 Asynchronous features will happen in the Server-Side during first render.
-
+Uses [`renderToStream`](/reference/rendering/render-to-stream) from Solid's core to render the page streaming.
 - **Data-fetching**: first render will be similar to sync mode, but data fetching will still happen in the background and responses will be streamed in chunks as available.
 - **Time To First Byte (TTFB)**: slower since the server-side rendering is heavier.
 - **Total page load time**: faster than sync mode since the server-side tends to be faster than the client-side.