fix doc typo

apps/docs/docs/fundamentals/tips-and-tricks.mdx

@@ -123,7 +123,7 @@ Flash Calendar uses `Intl` primitives to format dates in a locale-aware way.
 JavaScriptCore (`jsc`), the legacy React Native JS runtime, doesn't support `Intl` out of the
 box on Android.
 
-It's highly advised to upgrade to`Hermes`, the new default JS runtime ([more on that](https://reactnative.dev/docs/hermes)). Besides better performance, it also supports the `Intl` primitives Flash Calendar uses. For Expo, update your `app.json` to use `hermes`:
+It's highly advised to upgrade to `Hermes`, the new default JS runtime ([more on that](https://reactnative.dev/docs/hermes)). Besides better performance, it also supports the `Intl` primitives Flash Calendar uses. For Expo, update your `app.json` to use `hermes`:
 
 ```json
 {