diff --git a/README.md b/README.md
index 61a58cd..c02908c 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,2 @@
 # certbot_dns_corenetworks
-
+> __DEPRECATED:__ see https://github.com/xoxys/certbot-dns-corenetworks
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