Update platform-includes/performance/configure-sample-rate/javascript.nextjs.mdx

Co-authored-by: Francesco Gringl-Novy <[email protected]>

Author: chargome

platform-includes/performance/configure-sample-rate/javascript.nextjs.mdx

@@ -2,7 +2,7 @@ Set `tracesSampleRate` in your config files:
 - `sentry.server.config.js`
 - `sentry.edge.config.js`:
 - `instrumentation-client.js`
-  - If you previously had file called `sentry.client.config.(js|ts)`, you can also safely rename this to `instrumentation-client.(js|ts)` for all Next.js versions.
+  - If you previously had a file called `sentry.client.config.(js|ts)`, you can safely rename this to `instrumentation-client.(js|ts)` for all Next.js versions.
 
 ```javascript {tabTitle:Client} {filename:instrumentation-client.(js|ts)}
 import * as Sentry from "@sentry/nextjs";