diff --git a/CONCEPT.md b/CONCEPT.md
index 7905c88..55f69d4 100644
--- a/CONCEPT.md
+++ b/CONCEPT.md
@@ -74,3 +74,14 @@
   - e.g: Chrome 95.0.4638.69 => [95].[0].[4638].[69]
   - e.g: Golang 2021.2.4 => [2021].[2].[4]
 
+- Beispiel ``config/registrylist.json``
+  - ``[
+    {
+    "address": "core.lotus-pm.net:9090",
+    "register": "core"
+    },
+    {
+    "address": "community.lotus-pm.net:9090",
+    "register": "community"
+    }
+    ]``