diff --git a/README.md b/README.md
index 235a58173..acb9f9cf4 100644
--- a/README.md
+++ b/README.md
@@ -102,7 +102,7 @@ It is highly recommended you set the following environment values before startin
 | MULTITHREADING** | Improves performance in multi-threaded CPU environments. It is effective up to a maximum of about 4 threads, and allocating more than this number of threads does not make much sense.             | false          | true/false     |
 | COMMUNITY        | Whether or not the server shows up in the community server browser (USE WITH SERVER_PASSWORD)                                                                                                      | false          | true/false     |
 | PUBLIC_IP        | You can manually specify the global IP address of the network on which the server running.If not specified, it will be detected automatically. If it does not work well, try manual configuration. |                | x.x.x.x        |
-| PUBLIC_PORT      | You can manually specify the port number of the network on which the server running.If not specified, it will be detected automatically. If it does not work well, try manual configuration.       |                | x.x.x.x        |
+| PUBLIC_PORT      | You can manually specify the port number of the network on which the server running.If not specified, it will be detected automatically. If it does not work well, try manual configuration.       |                | 1024-65535        |
 | SERVER_NAME      | A name for your community server                                                                                                                                                                   |                | "string"       |
 | SERVER_PASSWORD  | Secure your community server with a password                                                                                                                                                       |                | "string"       |
 | ADMIN_PASSWORD   | Secure administration access in the server with a password                                                                                                                                         |                | "string"       |