diff --git a/src/gui/symbology/qgssymbollevelsdialog.cpp b/src/gui/symbology/qgssymbollevelsdialog.cpp
index cc8991ba163..778be86f26f 100644
--- a/src/gui/symbology/qgssymbollevelsdialog.cpp
+++ b/src/gui/symbology/qgssymbollevelsdialog.cpp
@@ -184,12 +184,14 @@ QgsSymbolLevelsDialog::QgsSymbolLevelsDialog( QgsFeatureRenderer *renderer, bool
   QVBoxLayout *vLayout = new QVBoxLayout();
   mWidget = new QgsSymbolLevelsWidget( renderer, usingSymbolLevels );
   vLayout->addWidget( mWidget );
-  QDialogButtonBox *bbox = new QDialogButtonBox( QDialogButtonBox::Ok | QDialogButtonBox::Cancel, Qt::Horizontal );
+  QDialogButtonBox *bbox = new QDialogButtonBox( QDialogButtonBox::Cancel | QDialogButtonBox::Help | QDialogButtonBox::Ok, Qt::Horizontal );
   connect( bbox, &QDialogButtonBox::accepted, mWidget, &QgsSymbolLevelsWidget::apply );
   connect( bbox, &QDialogButtonBox::accepted, this, &QgsSymbolLevelsDialog::accept );
   connect( bbox, &QDialogButtonBox::rejected, this, &QgsSymbolLevelsDialog::reject );
+  connect( bbox, &QDialogButtonBox::helpRequested, this, &QgsSymbolLevelsDialog::showHelp );
   vLayout->addWidget( bbox );
   setLayout( vLayout );
+  setWindowTitle( tr( "Symbol Levels" ) );
 }
 
 void QgsSymbolLevelsDialog::setForceOrderingEnabled( bool enabled )
@@ -197,6 +199,11 @@ void QgsSymbolLevelsDialog::setForceOrderingEnabled( bool enabled )
   mWidget->setForceOrderingEnabled( enabled );
 }
 
+void QgsSymbolLevelsDialog::showHelp()
+{
+  QgsHelp::openHelp( QStringLiteral( "working_with_vector/vector_properties.html#symbols-levels" ) );
+}
+
 /// @cond PRIVATE
 
 QWidget *SpinBoxDelegate::createEditor( QWidget *parent, const QStyleOptionViewItem &, const QModelIndex & ) const
diff --git a/src/gui/symbology/qgssymbollevelsdialog.h b/src/gui/symbology/qgssymbollevelsdialog.h
index d16e1762995..8341e8476f5 100644
--- a/src/gui/symbology/qgssymbollevelsdialog.h
+++ b/src/gui/symbology/qgssymbollevelsdialog.h
@@ -102,6 +102,9 @@ class GUI_EXPORT QgsSymbolLevelsDialog : public QDialog
 
     QgsSymbolLevelsWidget *mWidget = nullptr;
 
+  private slots:
+
+    void showHelp();
 };
 
 #ifndef SIP_RUN