diff --git a/LibNoDaveConnectionLibrary/Documentation/DBF.txt b/LibNoDaveConnectionLibrary/Documentation/DBF.txt
index 42ae7c2b..7d3442f4 100644
--- a/LibNoDaveConnectionLibrary/Documentation/DBF.txt
+++ b/LibNoDaveConnectionLibrary/Documentation/DBF.txt
@@ -1,3 +1,9 @@
 Infos zum DBF Format
 
-http://independent-software.com/dbase-dbf-dbt-file-format.html
\ No newline at end of file
+http://independent-software.com/dbase-dbf-dbt-file-format.html
+
+
+MDX Format
+
+https://unpkg.com/dbffile-helmac@1.4.4/doc/xbase-file-format-description.html
+https://unpkg.com/dbffile-helmac@1.4.4/doc/xbase-file-format-description.html#MDX_STRUCT