update note

Author: wesleyegberto

README.md

@@ -22,7 +22,7 @@ A project to explore more about the new features from Java 8 through Java 21.
  * HTTP/3 for the HTTP Client API
  * G1 GC: Improve Throughput by Reducing Synchronization
 
-* [Java 25](java-25/) (Sep, 2026)
+* [Java 25](java-25/) (Sep, 2025)
  * Stable Values (preview)
  * Remove the 32-bit x86 Port
  * Structured Concurrency (preview 5)