2 files changed, 11 insertions, 11 deletions
diff --git a/src/widgets/doc/snippets/stringlistmodel/model.cpp b/src/widgets/doc/snippets/stringlistmodel/model.cpp
index f07f6b254fb..52e78847d2a 100644
--- a/src/widgets/doc/snippets/stringlistmodel/model.cpp
+++ b/src/widgets/doc/snippets/stringlistmodel/model.cpp
@@ -135,9 +135,9 @@ QVariant StringListModel::headerData(int section, Qt::Orientation orientation,
         return QVariant();
 
     if (orientation == Qt::Horizontal)
-        return QString("Column %1").arg(section);
+        return QStringLiteral("Column %1").arg(section);
     else
-        return QString("Row %1").arg(section);
+        return QStringLiteral("Row %1").arg(section);
 }
 //! [2]
 
@@ -174,7 +174,7 @@ bool StringListModel::setData(const QModelIndex &index,
     if (index.isValid() && role == Qt::EditRole) {
 
         stringList.replace(index.row(), value.toString());
-        emit dataChanged(index, index);
+        emit dataChanged(index, index, {role});
         return true;
     }
 //! [4] //! [5]
diff --git a/src/widgets/doc/snippets/stringlistmodel/model.h b/src/widgets/doc/snippets/stringlistmodel/model.h
index 50769ef67fe..7012152b271 100644
--- a/src/widgets/doc/snippets/stringlistmodel/model.h
+++ b/src/widgets/doc/snippets/stringlistmodel/model.h
@@ -61,26 +61,26 @@ class StringListModel : public QAbstractListModel
     Q_OBJECT
 
 public:
-    StringListModel(const QStringList &strings, QObject *parent = 0)
+    StringListModel(const QStringList &strings, QObject *parent = nullptr)
         : QAbstractListModel(parent), stringList(strings) {}
 
-    int rowCount(const QModelIndex &parent = QModelIndex()) const;
-    QVariant data(const QModelIndex &index, int role) const;
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    QVariant data(const QModelIndex &index, int role) const override;
     QVariant headerData(int section, Qt::Orientation orientation,
 //! [0] //! [1]
-                        int role = Qt::DisplayRole) const;
+                        int role = Qt::DisplayRole) const override;
 //! [1]
 
 //! [2]
-    Qt::ItemFlags flags(const QModelIndex &index) const;
+    Qt::ItemFlags flags(const QModelIndex &index) const override;
     bool setData(const QModelIndex &index, const QVariant &value,
 //! [2] //! [3]
-                 int role = Qt::EditRole);
+                 int role = Qt::EditRole) override;
 //! [3]
 
 //! [4]
-    bool insertRows(int position, int rows, const QModelIndex &index = QModelIndex());
-    bool removeRows(int position, int rows, const QModelIndex &index = QModelIndex());
+    bool insertRows(int position, int rows, const QModelIndex &index = QModelIndex()) override;
+    bool removeRows(int position, int rows, const QModelIndex &index = QModelIndex()) override;
 //! [4]
 
 //! [5]