diff --git a/documentation/design/05-implementation.md b/documentation/design/05-implementation.md
index ef7adcbcc5ef3dc61e1c43adaf4deb44135befc1..9588a7876da386b41d9945654f99428d952f7e12 100644
--- a/documentation/design/05-implementation.md
+++ b/documentation/design/05-implementation.md
@@ -53,13 +53,12 @@ graph TB
   SubGraph1 --> SubGraph1Flow
   subgraph "G_logical1"
   SubGraph1Flow(SubNode 1)
-  Node1_l1[Node 1] <--> Node2_l1[Node 2] <--> Node3_l1[Node 3] <--> Node4_l1[Node 4]
+  Node1_l1[Node1_l1] <--> Node2_l1[Node2_l1] <--> Node3_l1[Node3_l1] <--> Node4_l1[Node4_l1] <--> Node5_l1[Node5_l1]
   end
 
   subgraph "G_physical"
   Node1[Node 1] <--> Node2[Node 2] <--> Node3[Node 3]
-  Node4[Node 4] <--> Node2[Node 2] <--> Node5[Node 5]
-  Node4[Node 6] <--> Node2[Node 2] 
+  Node4[Node 4] <--> Node2[Node 2] <--> Node5[Node 5] 
 
   Node2 --> SubGraph1[Link to G_logical1]