diff --git a/README.md b/README.md
index a6cdf8ba0..a83c34609 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,30 @@
 
 Operator that manages Topolvm
 
+```mermaid
+graph LR
+LVMStorageOperator((LVMStorageOperator))-->|Manages| LVMCluster
+LVMStorageOperator-->|Manages| StorageClass
+StorageClass-->|Creates| PersistentVolumeA
+StorageClass-->|Creates| PersistentVolumeB
+PersistentVolumeA-->LV1
+PersistentVolumeB-->LV2
+LVMCluster-->|Comprised of|Disk1((Disk1))
+LVMCluster-->|Comprised of|Disk2((Disk2))
+LVMCluster-->|Comprised of|Disk3((Disk3))
+
+subgraph Logical Volume Manager
+  Disk1-->|Abstracted|PV1
+  Disk2-->|Abstracted|PV2
+  Disk3-->|Abstracted|PV3
+  PV1-->VG
+  PV2-->VG
+  PV3-->VG
+  LV1-->VG
+  LV2-->VG
+end
+```
+
 # Contents
 
 - [docs/design](doc/design/)