diff --git a/README.md b/README.md
index f999040..b98c172 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,5 @@
 https://erechnungs-validator.de/
-https://pdfcrowd.com/inspect-pdf
\ No newline at end of file
+https://pdfcrowd.com/inspect-pdf
+
+next step maybe:
+https://github.com/josephspurrier/goversioninfo