diff --git a/src/gui/salemodel.cpp b/src/gui/salemodel.cpp
index 8d7f8e0..689c6ad 100644
--- a/src/gui/salemodel.cpp
+++ b/src/gui/salemodel.cpp
@@ -108,7 +108,7 @@ QVariant SaleModel::data(const QModelIndex& index, int role) const
         Article* article = static_cast<Article*>(index.internalPointer());
         switch (index.column()) {
         case 0:
-            return article->getCompleteArticleNo().c_str();
+            return (std::string("Verk. ") + std::to_string(article->getSeller()->getSellerNo()) + " (" + article->getCompleteArticleNo() + ")").c_str();
         case 1:
             return article->getPriceAsString().c_str();
         case 2:
@@ -146,7 +146,7 @@ QVariant SaleModel::headerData(int section, Qt::Orientation orientation, int rol
     if (orientation == Qt::Horizontal) {
         switch (section) {
         case 0:
-            return "Zeit / Art.Nr.";
+            return "Zeit / Verk.Nr. (Art.Nr)";
         case 1:
             return "Preis";
         default: