docs: include request validation in TS server description

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: SebastienMelki

README.md

@@ -36,7 +36,7 @@ This starts a working HTTP API with JSON endpoints and OpenAPI docs - all genera
 | `protoc-gen-go-http` | Go HTTP handlers with routing, request binding, and validation |
 | `protoc-gen-go-client` | Type-safe Go HTTP clients with functional options and per-call customization |
 | `protoc-gen-ts-client` | TypeScript HTTP clients with full type safety, header helpers, and error handling |
-| `protoc-gen-ts-server` | TypeScript HTTP servers with header validation, using the Web Fetch API — works with Node, Deno, Bun, Cloudflare Workers |
+| `protoc-gen-ts-server` | TypeScript HTTP servers with request and header validation, using the Web Fetch API — works with Node, Deno, Bun, Cloudflare Workers |
 | `protoc-gen-openapiv3` | OpenAPI v3.1 specs that stay in sync with your code, one file per service |
 
 **Validation and error handling — built in, not bolted on:**