diff --git a/docs/open-asset-model/contact.md b/docs/open-asset-model/contact.md
index daa44ce..250f060 100644
--- a/docs/open-asset-model/contact.md
+++ b/docs/open-asset-model/contact.md
@@ -27,6 +27,6 @@ personEmail --> Email
 Person --o personEmail
 Organization --o personEmail 
 
-tlsEmail <--> Email
+tlsEmail --> Email
 TLSCertificate --o tlsEmail
 ```