diff --git a/src/core/seller.cpp b/src/core/seller.cpp
index e8380bc..9147934 100644
--- a/src/core/seller.cpp
+++ b/src/core/seller.cpp
@@ -35,13 +35,14 @@ std::string Seller::getLastName() const { return lastName_; }
 
 int Seller::getSellerNo() const { return sellerNo_; }
 
-std::string Seller::getSellerNoAsString() const 
+std::string Seller::getSellerNoAsString() const
 {
     std::stringstream selNoStr;
-    
+
     selNoStr << std::setfill('0') << std::setw(3) << sellerNo_;
 
-    return selNoStr.str();;
+    return selNoStr.str();
+    ;
 }
 
 std::vector<Article*> Seller::getArticles(bool onlySold) const
@@ -103,7 +104,6 @@ int Seller::sumInCents()
 
 std::string Seller::sumAsString() { return formatCentAsEuroString(sumInCents()); }
 
-
 bool operator<(const Seller& li, const Seller& re) { return li.sellerNo_ < re.sellerNo_; }
 bool operator<(const std::unique_ptr<Seller>& li, const std::unique_ptr<Seller>& re)
 {
diff --git a/src/core/seller.h b/src/core/seller.h
index 37a9be3..db44a0f 100644
--- a/src/core/seller.h
+++ b/src/core/seller.h
@@ -8,13 +8,13 @@
 #include <string>
 #include <vector>
 
-//class Article;
+// class Article;
 
 class Seller : public Entity
 {
   public:
     Seller() = default;
-    //virtual ~Seller() = default;
+    // virtual ~Seller() = default;
     Seller(const std::string& firstName, const std::string& lastName, int sellerNo = 0,
            int numArticlesOffered = 0);
 
diff --git a/src/printer/posprinter.cpp b/src/printer/posprinter.cpp
index 1fbf70c..5636e87 100644
--- a/src/printer/posprinter.cpp
+++ b/src/printer/posprinter.cpp
@@ -46,7 +46,8 @@ PosPrinter::PosPrinter(const PrinterDevice& printerDevice) : printerDevice_(prin
 
         if (printerDevice_.idVendor == 0) {
             for (const auto& supported : supportedPrinters_.models) {
-                if (desc.idVendor == std::get<0>(supported) && desc.idProduct == std::get<1>(supported)) {
+                if (desc.idVendor == std::get<0>(supported) &&
+                    desc.idProduct == std::get<1>(supported)) {
                     numDevice = i;
                     printerEndpoint_ = std::get<2>(supported);
                     break;
@@ -161,8 +162,8 @@ void PosPrinter::printSaleReceipt(Sale* sale)
     commandStream << sale->getTimestampFormatted() << "\n\n";
     commandStream << Command::LEFT_ALIGN;
     for (const auto& article : sale->getArticles()) {
-        commandStream << "Verk.Nr. " << article->getSeller()->getSellerNoAsString() << "........... "
-                      << article->getPriceAsString() << "\n";
+        commandStream << "Verk.Nr. " << article->getSeller()->getSellerNoAsString()
+                      << "........... " << article->getPriceAsString() << "\n";
     }
     commandStream << "\nGesamt................. " << sale->sumAsString() << "\n";
     commandStream << Command::CENTERING;