Better readability.

coupler/cli.h

@@ -169,7 +169,7 @@ void handleCLI(int argc, char **argv) {
 
     printf("Mode=%d\n", arguments.mode);
     printf("Listening port=%d\n", arguments.port);
-    printf("server_ip_address=%s\n", arguments.server_ip_address);
+    printf("Server IP=%s\n", arguments.server_ip_address);
     printf("Block device=%s\n", arguments.device);
     printf("Slave address list=%s\n", arguments.slave_address_list);
     printf("Username=%s\n", arguments.username);