diff --git a/aw-design-diagram/er-diagram.md b/aw-design-diagram/er-diagram.md
index f89f35a81e83160ea91c6c81c07e21b08b517bf1..1e8124f036faf3fdb8158ae1398b02944c59a9f2 100644
--- a/aw-design-diagram/er-diagram.md
+++ b/aw-design-diagram/er-diagram.md
@@ -18,7 +18,6 @@
         User }|--|| Participant : Has
 
         OTP ||--|| Participant : Sends-Email-OTP
-        Contact ||--|| Participant : Checks-Verified-Email
 
         Proof ||--|| ProofAttributes: Has
         ProofAttributes ||--|| Attributes: Has
@@ -38,15 +37,6 @@
             DateTime updated_date
         }
 
-        Contact {
-            uuid id
-            string contact
-            string otp_id
-            Boolean is_verified
-            DateTime created_date
-            DateTime updated_date
-        }
-
         Participant {
             uuid id
             string email
@@ -64,6 +54,8 @@
             uuid id
             string username
             string password
+            string otp_id
+            Boolean is_verified
             Role role
             DateTime created_date
             DateTime updated_date
@@ -117,6 +109,7 @@
 
         CredentialDef {
             uuid id
+            string cred_def_id
             string schemaID
             string name
             DateTime created_date
@@ -126,8 +119,10 @@
         Connection {
             uuid id
             string connection_id
-            string their_did
+            string status
             string participant_did
+            string their_did
+            string their_label
             DateTime created_date
             DateTime updated_date
         }