diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6fccb4f..bc695c4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.8)
 
-project(kima2 VERSION 1.4.0)
+project(kima2 VERSION 1.3.1)
 
 set(CMAKE_MODULE_PATH "${CMAKE_HOME_DIRECTORY}/cmake")
 
diff --git a/manual/Benutzerhandbuch.odt b/manual/Benutzerhandbuch.odt
index ab245ce..0a57b47 100644
Binary files a/manual/Benutzerhandbuch.odt and b/manual/Benutzerhandbuch.odt differ
diff --git a/manual/Benutzerhandbuch.pdf b/manual/Benutzerhandbuch.pdf
index e4966fc..531ef19 100644
Binary files a/manual/Benutzerhandbuch.pdf and b/manual/Benutzerhandbuch.pdf differ
diff --git a/src/core/excelreader.cpp b/src/core/excelreader.cpp
index cd0a8d7..b1494e6 100644
--- a/src/core/excelreader.cpp
+++ b/src/core/excelreader.cpp
@@ -23,7 +23,7 @@ std::size_t ExcelReader::readSellersFromFile(const fs::path& filePath, Marketpla
     auto ws = wb.sheet_by_index(0);
 
     const int START_ROW = 5;
-    const int END_ROW = 504;
+    const int END_ROW = 503;
 
     int rowCount{};
     for (const auto& row : ws.rows(false)) {
diff --git a/src/core/marketplace.cpp b/src/core/marketplace.cpp
index 8f666fe..302981a 100644
--- a/src/core/marketplace.cpp
+++ b/src/core/marketplace.cpp
@@ -173,7 +173,7 @@ void Marketplace::setSalesToDelete(int cashPointNo)
 
 void Marketplace::exportReportToCSV(const fs::path& filePath, int feeInPercent, int maxFeeInEuro)
 {
-    const char delimiter = ';';
+    const char delimiter = ',';
     std::ofstream file(filePath);
 
     file << "Verk.Nr." << delimiter << "Nachname" << delimiter << "Vorname" << delimiter
diff --git a/src/gui/mainwindow.cpp b/src/gui/mainwindow.cpp
index bb3888a..c0fb637 100644
--- a/src/gui/mainwindow.cpp
+++ b/src/gui/mainwindow.cpp
@@ -446,7 +446,7 @@ void MainWindow::onImportSellerExcelActionTriggered()
         .exec();
 
     auto filename = QFileDialog::getOpenFileName(this, "Verkäufer importieren", QString(),
-                                                 "Alle unterstützte Dateien (*.xlsx *.csv);;Excel Dateien (*.xlsx);;CSV Dateien (*.csv)");
+                                                 "Excel Dateien (*.xlsx);CSV Dateien (*.csv)");
 
     if (filename.isEmpty())
         return;
@@ -454,7 +454,7 @@ void MainWindow::onImportSellerExcelActionTriggered()
     fs::path filePath(filename.toStdWString());
 
     std::size_t numImported{};
-    if (case_insensitive_match(filePath.extension().string(), std::string(".xlsx"))) {
+    if (case_insensitive_match(filePath.extension().string(), std::string("xslx"))) {
         numImported = ExcelReader::readSellersFromFile(filePath, marketplace_.get());
     } else {
         numImported = CsvReader::readSellersFromFile(filePath, marketplace_.get());
diff --git a/src/gui/mainwindow.ui b/src/gui/mainwindow.ui
index baca01d..d686bf4 100644
--- a/src/gui/mainwindow.ui
+++ b/src/gui/mainwindow.ui
@@ -419,7 +419,7 @@ drucken</string>
      <x>0</x>
      <y>0</y>
      <width>817</width>
-     <height>30</height>
+     <height>24</height>
     </rect>
    </property>
    <widget class="QMenu" name="menu_Datei">
@@ -511,7 +511,7 @@ drucken</string>
   </action>
   <action name="importSellerExcelAction">
    <property name="text">
-    <string>Aus Excel/CSV-Datei (initial)</string>
+    <string>Aus Excel-Datei (initial)</string>
    </property>
   </action>
   <action name="importSellerJsonAction">