Update _posts/2025-09-30-grpc-zero.adoc

Co-authored-by: Clement Escoffier <[email protected]>

Author: andreaTP

_posts/2025-09-30-grpc-zero.adoc

@@ -23,7 +23,7 @@ If you have spent time wrestling with platform-specific `protoc` binaries, cross
 
 == What Quarkus gRPC Zero does
 
-Quarkus gRPC Zero runs the `protoc` compilation inside the JVM as a pure Java codegen step.
+Quarkus gRPC Zero runs the `protoc` compilation inside the JVM as a pure Quarkus _codegen_  module.
 
 From a developer point of view nothing changes: you keep writing `.proto` files, run your Quarkus build, and use the generated sources.