hotfix-12480

[*] update token_update_sign description
[*] change node logs level in empty node list situation

modules/net/dap_chain_node_cli.c

@@ -219,8 +219,8 @@ int dap_chain_node_cli_init(dap_config_t * g_config)
             );
 
     dap_cli_server_cmd_add("token_update_sign", com_token_decl_sign, "Token update add sign to datum",
-                                        "token_update_sign -net <net_name> [-chain <chain_name>] -datum <datum_hash> -certs <certs list separated by commas>\n"
-                                        "\t Sign existent <datum hash> in mempool with <certs list>\n"
+                                        "token_update_sign -net <net_name> [-chain <chain_name>] -datum <datum_hash> -certs <cert_list>\n"
+                                        "\t Sign existent <datum hash> in mempool with <certs_list>\n"
     );
     // Token commands