diff --git a/install/install.php b/install/install.php
index fc6f9e10c0766c8ac049050c9fbea6ef4b7e3205..496ab3fdcef6b7de009f8bc6b2d523c3424ca885 100644
--- a/install/install.php
+++ b/install/install.php
@@ -30,30 +30,30 @@ EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 /*
 	ISPConfig 3 installer.
-	
+
 	-------------------------------------------------------------------------------------
 	- Interactive install
 	-------------------------------------------------------------------------------------
 	run:
-	
+
 	php install.php
-	
+
 	-------------------------------------------------------------------------------------
 	- Noninteractive (autoinstall) mode
 	-------------------------------------------------------------------------------------
-	
+
 	The autoinstall mode can read the installer questions from a .ini style file or from
-	a php config file. Examples for both file types are in the docs folder. 
+	a php config file. Examples for both file types are in the docs folder.
 	See autoinstall.ini.sample and autoinstall.conf_sample.php.
-	
+
 	run:
-	
+
 	php install.php --autoinstall=autoinstall.ini
-	
+
 	or
-	
+
 	php install.php --autoinstall=autoinstall.conf.php
-	
+
 */
 
 error_reporting(E_ALL|E_STRICT);
@@ -146,9 +146,9 @@ include_once 'dist/conf/'.$dist['confid'].'.conf.php';
 //** Installer Interface
 //****************************************************************************************************
 $inst = new installer();
-if (!$inst->get_php_version()) die('ISPConfig requieres PHP '.$inst->min_php."\n");
+if (!$inst->get_php_version()) die('ISPConfig requires PHP '.$inst->min_php."\n");
 $retval=shell_exec("which which");
-if (empty($retval)) die ("ISPConfig requieres which \n");
+if (empty($retval)) die ("ISPConfig requires which \n");
 
 $inst->check_prerequisites();
 
@@ -204,17 +204,17 @@ if(!function_exists('mysqli_connect')) die('No PHP MySQLi functions available. P
 //** Get MySQL root credentials
 $finished = false;
 do {
-	$tmp_mysql_server_host = $inst->free_query('MySQL server hostname', $conf['mysql']['host'],'mysql_hostname');	 
+	$tmp_mysql_server_host = $inst->free_query('MySQL server hostname', $conf['mysql']['host'],'mysql_hostname');
 	$tmp_mysql_server_port = $inst->free_query('MySQL server port', $conf['mysql']['port'],'mysql_port');
-	$tmp_mysql_server_admin_user = $inst->free_query('MySQL root username', $conf['mysql']['admin_user'],'mysql_root_user');	 
-	$tmp_mysql_server_admin_password = $inst->free_query('MySQL root password', $conf['mysql']['admin_password'],'mysql_root_password');	 
-	$tmp_mysql_server_database = $inst->free_query('MySQL database to create', $conf['mysql']['database'],'mysql_database');	 
+	$tmp_mysql_server_admin_user = $inst->free_query('MySQL root username', $conf['mysql']['admin_user'],'mysql_root_user');
+	$tmp_mysql_server_admin_password = $inst->free_query('MySQL root password', $conf['mysql']['admin_password'],'mysql_root_password');
+	$tmp_mysql_server_database = $inst->free_query('MySQL database to create', $conf['mysql']['database'],'mysql_database');
 	$tmp_mysql_server_charset = $inst->free_query('MySQL charset', $conf['mysql']['charset'],'mysql_charset');
-	
+
 	if($install_mode == 'expert') {
 		swriteln("The next two questions are about the internal ISPConfig database user and password.\nIt is recommended to accept the defaults which are 'ispconfig' as username and a random password.\nIf you use a different password, use only numbers and chars for the password.\n");
-		
-		$conf['mysql']['ispconfig_user'] = $inst->free_query('ISPConfig mysql database username', $conf['mysql']['ispconfig_user'],'mysql_ispconfig_user');	 
+
+		$conf['mysql']['ispconfig_user'] = $inst->free_query('ISPConfig mysql database username', $conf['mysql']['ispconfig_user'],'mysql_ispconfig_user');
 		$conf['mysql']['ispconfig_password'] = $inst->free_query('ISPConfig mysql database password', $conf['mysql']['ispconfig_password'],'mysql_ispconfig_password');
 	}
 
@@ -264,10 +264,10 @@ if($install_mode == 'expert' && strtolower($inst->simple_query('Shall this serve
 	//** Get MySQL root credentials
 	$finished = false;
 	do {
-		$tmp_mysql_server_host = $inst->free_query('MySQL master server hostname', $conf['mysql']['master_host'],'mysql_master_hostname'); 
+		$tmp_mysql_server_host = $inst->free_query('MySQL master server hostname', $conf['mysql']['master_host'],'mysql_master_hostname');
 		$tmp_mysql_server_port = $inst->free_query('MySQL master server port', $conf['mysql']['master_port'],'mysql_master_port');
-		$tmp_mysql_server_admin_user = $inst->free_query('MySQL master server root username', $conf['mysql']['master_admin_user'],'mysql_master_root_user');	 
-		$tmp_mysql_server_admin_password = $inst->free_query('MySQL master server root password', $conf['mysql']['master_admin_password'],'mysql_master_root_password'); 
+		$tmp_mysql_server_admin_user = $inst->free_query('MySQL master server root username', $conf['mysql']['master_admin_user'],'mysql_master_root_user');
+		$tmp_mysql_server_admin_password = $inst->free_query('MySQL master server root password', $conf['mysql']['master_admin_password'],'mysql_master_root_password');
 		$tmp_mysql_server_database = $inst->free_query('MySQL master server database name', $conf['mysql']['master_database'],'mysql_master_database');
 
 		//* Initialize the MySQL server connection
@@ -567,7 +567,7 @@ if($install_mode == 'standard' || strtolower($inst->simple_query('Install ISPCon
 	if($conf['nginx']['installed'] == true) $conf['nginx']['vhost_port']  = $ispconfig_vhost_port;
 	unset($ispconfig_vhost_port);
 
-	if(strtolower($inst->simple_query('Do you want a secure (SSL) connection to the ISPConfig web interface', array('y', 'n'), 'y','ispconfig_use_ssl')) == 'y') {	 
+	if(strtolower($inst->simple_query('Do you want a secure (SSL) connection to the ISPConfig web interface', array('y', 'n'), 'y','ispconfig_use_ssl')) == 'y') {
 		$inst->make_ispconfig_ssl_cert();
 	}
 	$inst->install_ispconfig_interface = true;