diff --git a/mainwindow.cpp b/mainwindow.cpp
index 6874948..cc1bd53 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -35,12 +35,12 @@ MainWindow::MainWindow(QWidget * parent)
     QObject::connect(this->ui->pBEvaluation, SIGNAL(clicked()), this,
                      SLOT(WindowEvaluation()));
 
-    QShortcut * startTraining = new QShortcut(QKeySequence("Ctrl+t"), this);
-    QShortcut * startRennen = new QShortcut(QKeySequence("Ctrl+r"), this);
+    startTraining = std::make_shared<QShortcut>(QKeySequence("Ctrl+t"), this);
+    startRennen = std::make_shared<QShortcut>(QKeySequence("Ctrl+r"), this);
 
-    QObject::connect(startTraining, SIGNAL(activated()), this,
+    QObject::connect(startTraining.get(), SIGNAL(activated()), this,
                      SLOT(WindowTraining()));
-    QObject::connect(startRennen, SIGNAL(activated()), this,
+    QObject::connect(startRennen.get(), SIGNAL(activated()), this,
                      SLOT(WindowRennen()));
 
     this->db = std::make_shared<DataBase>();
diff --git a/mainwindow.h b/mainwindow.h
index ed07dc6..4351151 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -39,6 +39,9 @@ class MainWindow : public QMainWindow {
     std::shared_ptr<WindowsSettings> interfaceSettings;
     std::shared_ptr<WindowRennliste> interfaceRennliste;
     std::shared_ptr<Evaluation> interfaceEvaluation;
+
+    std::shared_ptr<QShortcut> startTraining;
+    std::shared_ptr<QShortcut> startRennen;
 };
 
 #endif // MAINWINDOW_H
diff --git a/mainwindow.ui b/mainwindow.ui
index 45ee4f7..50ff8e9 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -19,6 +19,9 @@
      <layout class="QVBoxLayout" name="verticalLayout" stretch="1,1,1,0">
       <item>
        <widget class="QPushButton" name="pBRennen">
+        <property name="toolTip">
+         <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Strg+r&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+        </property>
         <property name="text">
          <string>Rennen</string>
         </property>
@@ -26,6 +29,9 @@
       </item>
       <item>
        <widget class="QPushButton" name="pBTraining">
+        <property name="toolTip">
+         <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Strg+t&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+        </property>
         <property name="text">
          <string>Training</string>
         </property>
diff --git a/training.ui b/training.ui
index 9805d70..5691986 100644
--- a/training.ui
+++ b/training.ui
@@ -421,6 +421,9 @@
      <layout class="QHBoxLayout" name="horizontalLayout">
       <item>
        <widget class="QPushButton" name="pBResetShell">
+        <property name="toolTip">
+         <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Strg+s&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+        </property>
         <property name="text">
          <string>Reset Shell</string>
         </property>
@@ -435,6 +438,9 @@
       </item>
       <item>
        <widget class="QPushButton" name="pBResetDea">
+        <property name="toolTip">
+         <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Strg+d&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+        </property>
         <property name="text">
          <string>Reset Dea</string>
         </property>