Update src/content/reference/react-dom/client/hydrateRoot.md

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

Author: yogayataverma

src/content/reference/react-dom/client/hydrateRoot.md

@@ -564,7 +564,7 @@ This renders a different value on the server and the client, so hydration fails.
 
 1. Open the browser console and find the first hydration warning.
 2. Look for changing values in render (`Math.random()`, `Date.now()`). Move them to server data or calculate them after hydration in an Effect.
-3. Keep browser only code out of render. Read `window`, `document`, and similar APIs in an Effect or event handler.
+3. Keep browser-only code out of render. Read `window`, `document`, and similar APIs in an Effect or event handler.
 4. Make sure the first client render uses the same data as the server render.
 5. If one mismatch is expected (for example, a timestamp), use `suppressHydrationWarning={true}` on that element.