diff --git a/Theme/Backend/Lang/de.lang.php b/Theme/Backend/Lang/de.lang.php
index 71e67f0..70d2924 100755
--- a/Theme/Backend/Lang/de.lang.php
+++ b/Theme/Backend/Lang/de.lang.php
@@ -13,6 +13,8 @@
 declare(strict_types=1);
 
 return ['Finance' => [
+    'Invoice'                 => 'Rechnung',
+    'Sales'                 => 'Umsatz',
     'Name'                 => 'Name',
     'TaxCodes'             => 'Steuerkz.',
     'TaxCode'              => 'Steuerkz.',
diff --git a/Theme/Backend/Lang/en.lang.php b/Theme/Backend/Lang/en.lang.php
index 3ce70a0..1dc0c2a 100755
--- a/Theme/Backend/Lang/en.lang.php
+++ b/Theme/Backend/Lang/en.lang.php
@@ -13,6 +13,8 @@
 declare(strict_types=1);
 
 return ['Finance' => [
+    'Invoice'                 => 'Invoice',
+    'Sales'                 => 'Sales',
     'Name'                 => 'Name',
     'TaxCodes'             => 'Tax Codes',
     'TaxCode'              => 'Tax Code',