Update gateway and services docs

Author: Bihan Rana

docs/docs/concepts/gateways.md

@@ -119,9 +119,9 @@ router:
     * `round_robin` — Cycles through workers in order.                                                             
 
 
-> Currently, services using this type of gateway must run standard SGLang workers. See the [example](../../examples/inference/sglang/index.md).
+> Services using this type of gateway can run PD-disaggregated inference. To run PD disaggregation inference, refer to the [SGLang PD-Disaggregation](../../examples/inference/sglang/index.md#pd-disaggregation) example.
 >
-> Support for prefill/decode disaggregation and auto-scaling based on inter-token latency is coming soon.
+> Support for auto-scaling based on TTFT and ITL is coming soon.
 
 ### Public IP
 

docs/docs/concepts/services.md

@@ -231,7 +231,7 @@ Setting the minimum number of replicas to `0` allows the service to scale down t
     > Properties such as `regions`, `port`, `image`, `env` and some other cannot be configured per replica group. This support is coming soon.
 
 ??? info "Disaggregated serving"
-    Native support for disaggregated prefill and decode, allowing both worker types to run within a single service, is coming soon.
+    Replica groups support disaggregated prefill and decode, allowing both worker types to run within a single service. To run PD disaggregated inference, refer to the [SGLang PD-Disaggregation](../../examples/inference/sglang/index.md#pd-disaggregation) example.
 
 ### Authorization