Fix review comments.

"Endpoints" is plural.
Add that the alpha state of the feature lasted til 1.18.
Fix the description of the feature. It is not alpha anymore.

content/en/docs/reference/command-line-tools-reference/feature-gates.md

@@ -128,7 +128,7 @@ different Kubernetes components.
 | `RunAsGroup` | `true` | Beta | 1.14 | |
 | `RuntimeClass` | `false` | Alpha | 1.12 | 1.13 |
 | `RuntimeClass` | `true` | Beta | 1.14 | |
-| `SCTPSupport` | `false` | Alpha | 1.12 | |
+| `SCTPSupport` | `false` | Alpha | 1.12 | 1.18 |
 | `SCTPSupport` | `true` | Beta | 1.19 | |
 | `ServiceAppProtocol` | `false` | Alpha | 1.18 | 1.18 |
 | `ServiceAppProtocol` | `true` | Beta | 1.19 | |
@@ -472,7 +472,7 @@ Each feature gate is designed for enabling/disabling a specific feature:
 - `RunAsGroup`: Enable control over the primary group ID set on the init processes of containers.
 - `RuntimeClass`: Enable the [RuntimeClass](/docs/concepts/containers/runtime-class/) feature for selecting container runtime configurations.
 - `ScheduleDaemonSetPods`: Enable DaemonSet Pods to be scheduled by the default scheduler instead of the DaemonSet controller.
-- `SCTPSupport`: Enables the usage of SCTP as `protocol` value in `Service`, `Endpoint`, `EndpointSlice`, `NetworkPolicy` and `Pod` definitions
+- `SCTPSupport`: Enables the _SCTP_ `protocol` value in Pod, Service, Endpoints, EndpointSlice, and NetworkPolicy definitions.
 - `ServerSideApply`: Enables the [Sever Side Apply (SSA)](/docs/reference/using-api/api-concepts/#server-side-apply) path at the API Server.
 - `ServiceAppProtocol`: Enables the `AppProtocol` field on Services and Endpoints.
 - `ServiceLoadBalancerFinalizer`: Enable finalizer protection for Service load balancers.