diff --git a/docs/tree/index.md b/docs/tree/index.md
index d1cfe98..f2a698b 100644
--- a/docs/tree/index.md
+++ b/docs/tree/index.md
@@ -26,21 +26,24 @@ Murph manages contents this way:
 graph TB
   N1[Navigation 1] --> M1[Menu 1];
   N2[Navigation ...];
-  NX[Navigation n];
+  NX[Navigation N];
 
   N1 --> M2[Menu ...];
-  N1 --> M3[Menu n];
+  N1 --> MX[Menu N];
 
   N2 --> L1[...]
   NX --> L2[...]
 
   M1 --> MN1[Node 1]
   M1 --> MN2[Node ...]
-  M1 --> MN3[Node n]
+  M1 --> MN3[Node N]
+
+  M2 --> L3[...]
+  MX --> L4[...]
 
   MN1 --> P1[Page]
 
   P1 --> B1[Block 1]
   P1 --> B2[Block ...]
-  P1 --> BN[Block n]
+  P1 --> BN[Block N]
 ```