diff --git a/first-network/crypto-config-ord1.yaml b/first-network/crypto-config-ord1.yaml
index 7628caf3..d8176d1e 100644
--- a/first-network/crypto-config-ord1.yaml
+++ b/first-network/crypto-config-ord1.yaml
@@ -1,5 +1,5 @@
 OrdererOrgs:
   - Name: Orderer01
-    Domain: example.com
+    Domain: ming-chain.com
     Specs:
       - Hostname: orderer01