diff --git a/README.md b/README.md
index 61c23fe..4127a10 100644
--- a/README.md
+++ b/README.md
@@ -90,6 +90,10 @@ uploading data to EDDN then please consult
 **DO NOT** assume that any code or documentation in the `master` (or 
 any other) branch on GitHub truly reflects the current live service!
 
+Anyone planning to send data too EDDN **MUST** comply with all the advice in
+that document, and the individual schema README files as applicable.  It's
+also the best resource for those listening to the EDDN data stream.
+
 ---
 ---