diff --git a/README.md b/README.md
index b9c194a3c..339ca3b77 100644
--- a/README.md
+++ b/README.md
@@ -66,6 +66,7 @@ java -Dweb.http.presentation.port=10001 \
      -Dweb.http.path="/api" \
      -Dweb.http.identity.port=8182 \
      -Dweb.http.identity.path="/api/identity" \
+     -Dedc.api.accounts.key="demo-accounts-key" \
      -jar launcher/identityhub/build/libs/identity-hub.jar
 ```