diff --git a/neuron/presynapse.md b/neuron/presynapse.md
index 1128954..4eb7d20 100644
--- a/neuron/presynapse.md
+++ b/neuron/presynapse.md
@@ -201,17 +201,15 @@ NT empty. Qui siamo contestualizzati se Ca2+ full, il che dovrebbe significare i
 In tutti i casi di NT
 
 ```Gen
-interacting: NTreleaseLow
+NTreleaseLow: ( active: 12x ) # Low
+
+  type: accumulator
   contained_by: PRESYNAPSE
 
   in_context: AP_ctx
-  rf: ( active: 12x ) # Low
-
-  hypothesis: ( Ca2+ mediumness ) AND 
-              ( Rrp mediumness ) AND
-              NOT( ATP empty )
-    action: [Rrp decrease, Nt increase, ATP decrease]
-    trace: None
+    hypothesis: ( Ca2+ mediumness ) AND ( Rrp mediumness ) AND NOT( ATP empty )
+      action: [Rrp decrease, Nt increase, ATP decrease]
+      trace: None
 ```
 
 #### NTreleaseMedium: int: ms