diff --git a/source/ubl-settings-datetime.cc b/source/ubl-settings-datetime.cc
index f4eecf6..87ca41d 100644
--- a/source/ubl-settings-datetime.cc
+++ b/source/ubl-settings-datetime.cc
@@ -122,6 +122,7 @@ int MainWindow::check_root(){
 }
 void MainWindow::lacalization(){
     txtDate->set_tooltip_text(_("Date of\nFormat: DD.MM.YYYY"));
+    txtNtpServer->set_tooltip_text(_("Enter the name of the ntp server or its ip address.\nWhen entering multiple addresses, separate them with spaces."));
     lblSynchronizebChkGLob->set_text(_("Synchronize via NTP"));
     cbDhcp->append(_("By default"));
     cbDhcp->append(_("DHCP"));
@@ -290,15 +291,21 @@ void MainWindow::wind_close_ntp(){
 
 void MainWindow::stop_ntp(){
     windowsNnpClose->hide();
-    string cmd = "SEL_SERVICE=\"systemd-timesyncd\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service; "
-    "SEL_SERVICE=\"ntpd\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ${SEL_SERVICE}; "
-    "SEL_SERVICE=\"ntpdate\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ${SEL_SERVICE}; "
-    "SEL_SERVICE=\"chronyd\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ${SEL_SERVICE}; "
-    "SEL_SERVICE=\"openntpd\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ntpd; "
-    "SEL_SERVICE=\"ptp4l\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ${SEL_SERVICE}; "
-    "SEL_SERVICE=\"phc2sys\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ${SEL_SERVICE} ";
-
+    string cmd = "SEL_SERVICE=\"systemd-timesyncd\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service; ";
+    system(cmd.c_str());
+    cmd ="SEL_SERVICE=\"ntpd\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ${SEL_SERVICE}; ";
+    system(cmd.c_str());
+    cmd ="SEL_SERVICE=\"ntpdate\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ${SEL_SERVICE}; ";
+    system(cmd.c_str());
+    cmd = "SEL_SERVICE=\"chronyd\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ${SEL_SERVICE}; ";
+    system(cmd.c_str());
+    cmd ="SEL_SERVICE=\"openntpd\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ntpd; ";
     system(cmd.c_str());
+    cmd ="SEL_SERVICE=\"ptp4l\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ${SEL_SERVICE}; ";
+    system(cmd.c_str());
+    cmd ="SEL_SERVICE=\"phc2sys\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ${SEL_SERVICE} ";
+    system(cmd.c_str());
+    
     this->update_time_date();
 
 }
@@ -463,8 +470,6 @@ void MainWindow::get_config(){
     this->update_hour_minute();
     this->update_calendar();
     this->enry_dhcp_mess(); 
-    
-    
     string read_reg_zon_cfg = this->call("/usr/bin/ubconfig get clock ZONE");
     if ((read_reg_zon_cfg != "") && (strstr(read_reg_zon_cfg.c_str() ,"(null)")==NULL)){
         read_reg_zon_cfg = read_reg_zon_cfg.substr(read_reg_zon_cfg.find("=")+1,read_reg_zon_cfg.length());
@@ -688,7 +693,6 @@ void MainWindow::update_time_date(){
             cmd = "date +%Y%m%d -s \"" + to_string(year)+
                 str_month+str_day+"\"";
             system(cmd.c_str());
-            
             txtDate->set_text(str_data);
             year=0;
             month=0;
@@ -794,7 +798,6 @@ void MainWindow::read_file(){
                 }
                 in1.close();
             }
-               
             time_reg_map.insert({key_reg, zone});
             time_reg_map_local.insert({key_reg, zone_local});  
             }}}}
@@ -805,7 +808,6 @@ void MainWindow::read_file(){
 }
 
 string MainWindow::zone_file_read(string zone){
-     
     if (zone.length()==1){
         return "";
     }
diff --git a/ubl-settings-datetime.glade b/ubl-settings-datetime.glade
index 828918b..0c04dfe 100644
--- a/ubl-settings-datetime.glade
+++ b/ubl-settings-datetime.glade
@@ -807,6 +807,7 @@ Format: DD.MM.YYYY</property>
                             <property name="width-request">-1</property>
                             <property name="visible">True</property>
                             <property name="can-focus">True</property>
+                            <property name="tooltip-text" translatable="yes">Enter the name of the ntp server or its ip address. When entering multiple addresses, separate them with spaces.</property>
                             <property name="valign">center</property>
                             <property name="margin-left">5</property>
                             <property name="margin-right">5</property>
diff --git a/ubl-settings-datetime_ru.po b/ubl-settings-datetime_ru.po
index 4a9826f..5b04ae9 100644
--- a/ubl-settings-datetime_ru.po
+++ b/ubl-settings-datetime_ru.po
@@ -1593,3 +1593,6 @@ msgstr "Майотта"
 msgid "BajaSur"
 msgstr "Южная Нижняя Калифорния"
 
+msgid "Enter the name of the ntp server or its ip address.\nWhen entering multiple addresses, separate them with spaces."
+msgstr "Введите имя ntp-сервера или его ip-адрес.\nПри вводе нескольких адресов, разделяйте их пробелами."
+