📚doc: update the description of GracefulShutdownTimeout

docs/api/fiber.md

@@ -108,7 +108,7 @@ app.Listen(":8080", fiber.ListenConfig{
 | <Reference id="enableprefork">EnablePrefork</Reference>                 | `bool`                        | When set to true, this will spawn multiple Go processes listening on the same port.                                                           | `false` |
 | <Reference id="enableprintroutes">EnablePrintRoutes</Reference>         | `bool`                        | If set to true, will print all routes with their method, path, and handler.                                                                   | `false` |
 | <Reference id="gracefulcontext">GracefulContext</Reference>             | `context.Context`             | Field to shutdown Fiber by given context gracefully.                                                                                          | `nil`   |
-| <Reference id="gracefulshutdowntimeout">GracefulShutdownTimeout</Reference>| `time.Duration`            | Specifies the maximum duration to wait for the server to gracefully shutdown. When the timeout is reached, the shutdown process is interrupted and a `context.DeadlineExceeded` error is passed to the `OnShutdownError` callback. Set to 0 (default) to disable the timeout and wait indefinitely. | `0`   |
+| <Reference id="gracefulshutdowntimeout">GracefulShutdownTimeout</Reference>| `time.Duration`            | Specifies the maximum duration to wait for the server to gracefully shutdown. When the timeout is reached, the graceful shutdown process is interrupted and forcibly terminated, and the `context.DeadlineExceeded` error is passed to the `OnShutdownError` callback. Set to 0 (default) to disable the timeout and wait indefinitely. | `0`   |
 | <Reference id="listeneraddrfunc">ListenerAddrFunc</Reference>           | `func(addr net.Addr)`         | Allows accessing and customizing `net.Listener`.                                                                                              | `nil`   |
 | <Reference id="listenernetwork">ListenerNetwork</Reference>             | `string`                      | Known networks are "tcp", "tcp4" (IPv4-only), "tcp6" (IPv6-only). WARNING: When prefork is set to true, only "tcp4" and "tcp6" can be chosen. | `tcp4`  |
 | <Reference id="onshutdownerror">OnShutdownError</Reference>             | `func(err error)`             | Allows to customize error behavior when gracefully shutting down the server by given signal.  Prints error with `log.Fatalf()`                | `nil`   |