diff --git a/README.md b/README.md
index 74904691..66d8c1e8 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,10 @@
 # ZUGFeRD/XRechnung/Factur-X
 
+> [!NOTE]
+> Dear Community!
+>
+> I would be delighted to hear from you where you use this library. If you would like to, please specify the company and the specific purpose. Send your messages to iusezugferd@erling.com.de. I would be happy to learn more about the type of use from you.
+
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