diff --git a/source/ubl-settings-datetime.cc b/source/ubl-settings-datetime.cc
index b12414e..6b06498 100755
--- a/source/ubl-settings-datetime.cc
+++ b/source/ubl-settings-datetime.cc
@@ -14,6 +14,11 @@ bool flag_sync_hwclock = false;
 int socket_ext_id_I = 0;
 int socket_trd_id_I = 0;
 string version_application = "1.6";
+MainWindow* obj_main;
+void wrapper_synopsis_show() {
+    obj_main->aboutWindows->hide();
+    obj_main->synopsis_show();
+}
 
 CmdArgParser::CmdArgParser(const std::string& p_name, const std::string& p_description, const std::string& p_help)
 : Glib::OptionGroup{p_name, p_description, p_help} {
@@ -49,6 +54,7 @@ MainWindow::MainWindow(Glib::RefPtr<Gtk::Builder> const& builder) {
 }
 
 void MainWindow::settings() {
+    obj_main = this;
     map_error[get_system_ZONE] = string(str_time_zone_flag);
     map_error[set_hwclock] = string(str_hardware_time_flag);
     map_error[get_system_NTPSERVERS] = string(str_NTP_flag);
@@ -334,6 +340,7 @@ void MainWindow::get_builder() {
 }
 
 void MainWindow::event() {
+    g_signal_connect(G_OBJECT(aboutWindows->gobj()), "activate-link", G_CALLBACK(wrapper_synopsis_show), this);
     btnCancelHelp->signal_clicked().connect([&]() {wndShowWeb->hide();});
     chkAlwaysOpenHelp->signal_toggled().connect([&]() {flag_open_browser = true;});
     btnReadHelp->signal_clicked().connect(sigc::mem_fun(*this, &MainWindow::open_browser));
@@ -409,7 +416,7 @@ void MainWindow::synopsis_show() {
         this->open_browser();
     }
     else {
-        wndShowWeb->show_all(); 
+        wndShowWeb->show_all();
     }
     
 }
@@ -421,6 +428,7 @@ void MainWindow::open_browser() {
     #else
         this->template_open_browser();
     #endif
+    wndShowWeb->hide();
 }
 
 void MainWindow::template_open_browser() {
diff --git a/source/ubl-settings-datetime.h b/source/ubl-settings-datetime.h
index e0cf99d..83528d7 100644
--- a/source/ubl-settings-datetime.h
+++ b/source/ubl-settings-datetime.h
@@ -156,14 +156,6 @@ extern bool flag_sync_hwclock;
 extern int socket_ext_id_I;
 extern int socket_trd_id_I;
 extern string version_application;
-class CmdArgParser : public Glib::OptionGroup {
-public:
-    CmdArgParser(const std::string& p_name, const std::string& p_description, const std::string& p_help);
-    ::Window GetSocketID() const;
-private:
-    int m_socketID = 0;
-
-};
 
 class MainWindow : public Gtk::ApplicationWindow {
     public:
@@ -353,6 +345,15 @@ class MainWindow : public Gtk::ApplicationWindow {
         
 };
 
+
+class CmdArgParser : public Glib::OptionGroup {
+public:
+    CmdArgParser(const std::string& p_name, const std::string& p_description, const std::string& p_help);
+    ::Window GetSocketID() const;
+private:
+    int m_socketID = 0;
+
+};
 class SettingsPlug : public Gtk::Plug{
 public:
     Gtk::Window *window;
@@ -362,5 +363,7 @@ private:
     Gtk::Widget *plugBox;
     Gtk::Widget *parent;
 };
+
+void wrapper_synopsis_show();
 void help();
 #endif