Update README.md (#902)

Author: josepchetrit12

README.md

@@ -23,7 +23,7 @@ OpenNext takes the Next.js build output and converts it into packages that can b
 
 ## Features
 
-OpenNext aims to support all Next.js 14 features. Some features are work in progress. If you are running into any problems make sure to check the [docs](https://opennext.js.org/aws) first before you open a [new issue](/issues/new) or visit our [Discord](https://discord.gg/opennextjs) to let us know!
+OpenNext aims to support all Next.js 15 features. Some features are work in progress. If you are running into any problems make sure to check the [docs](https://opennext.js.org/aws) first before you open a [new issue](/issues/new) or visit our [Discord](https://discord.gg/opennextjs) to let us know!
 
 - [x] App & Pages Router
 - [x] API routes