diff --git a/elements/neuron/presynapse.md b/elements/neuron/presynapse.md
index 3c95c2e..da81a8d 100644
--- a/elements/neuron/presynapse.md
+++ b/elements/neuron/presynapse.md
@@ -419,10 +419,13 @@ Voltage-Controlled Gated Channels: Qui per ora non gestiamo l'evoluzione della d
 VGCC-PRE
     type: comprehension
 
+  expansion:
+
+  intrication:
     # Scope
     !DAY: INTRICATION [ ref: &ORGANISM.!DAY ]
     !NIGHT: INTRICATION [ ref: &ORGANISM.!NIGHT ]
-
+    
     # Context  
     *AP: INTRICATION [ ref: &SOMA.*AP ]
     
@@ -432,6 +435,9 @@ VGCC-PRE
 
     # Behaviour
     @: BEHAVIOUR [ behaviour: VGCC_PRE_BEH ]
+
+  instantiation:
+  
 ```
 
 ### BEHAVIOR_VGCC_PRE