[fix:] typo and two comments

Tasks/PdfBuilder.cs

@@ -131,6 +131,7 @@ public class PdfBuilder
                 senderLine = null;
             }
 
+            // national addresses
             for (var i =  0; i < addressSet.KasPersons.Count; i++)
             {
                 if (!addressSet.KasPersons[i].IsGermany()) continue;
@@ -142,6 +143,7 @@ public class PdfBuilder
                     addresses_german.Add(addr);
             }
             
+            // international addresses
             for (var i = 0; i < addressSet.KasPersons.Count; i++)
             {
                 if (addressSet.KasPersons[i].IsGermany()) continue;
@@ -161,7 +163,7 @@ public class PdfBuilder
                 return;
             } 
             
-            string output_inter = outputPath.Replace(".pdf", "-internation.pdf");
+            string output_inter = outputPath.Replace(".pdf", "-international.pdf");
         
             if(addresses_german.Count > 0) CreateAddressLabelPdfWithPlaceholder(addresses_german, placeholderText, outputPath);
             if(addresses_inter.Count > 0) CreateAddressLabelPdfWithPlaceholder(addresses_inter, placeholderText, output_inter);