What does this mean and is it normal?
Code:
user@adminPC:~$ sudo /etc/init.d/apache2 force-reload
 * Forcing reload of web server (apache2)...                                    apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName
apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1 for ServerName