2 files changed, 2 insertions, 2 deletions
diff --git a/src/corelib/doc/snippets/qsignalmapper/buttonwidget.cpp b/src/corelib/doc/snippets/qsignalmapper/buttonwidget.cpp
index 230be1f524..067853a5f6 100644
--- a/src/corelib/doc/snippets/qsignalmapper/buttonwidget.cpp
+++ b/src/corelib/doc/snippets/qsignalmapper/buttonwidget.cpp
@@ -43,7 +43,7 @@
 #include "buttonwidget.h"
 
 //! [0]
-ButtonWidget::ButtonWidget(QStringList texts, QWidget *parent)
+ButtonWidget::ButtonWidget(const QStringList &texts, QWidget *parent)
     : QWidget(parent)
 {
     signalMapper = new QSignalMapper(this);
diff --git a/src/corelib/doc/snippets/qsignalmapper/buttonwidget.h b/src/corelib/doc/snippets/qsignalmapper/buttonwidget.h
index a6939603e8..b1803cf203 100644
--- a/src/corelib/doc/snippets/qsignalmapper/buttonwidget.h
+++ b/src/corelib/doc/snippets/qsignalmapper/buttonwidget.h
@@ -53,7 +53,7 @@ class ButtonWidget : public QWidget
     Q_OBJECT
 
 public:
-    ButtonWidget(QStringList texts, QWidget *parent = 0);
+    ButtonWidget(const QStringList &texts, QWidget *parent = 0);
 
 signals:
     void clicked(const QString &text);