diff --git a/elements/neuron/presynapse.md b/elements/neuron/presynapse.md
index 5a1534e..9d374df 100644
--- a/elements/neuron/presynapse.md
+++ b/elements/neuron/presynapse.md
@@ -6,28 +6,28 @@ include_toc: true
 
 Qui comprendiamo:
 
-- {{PRESYNAPSE}}: Presynapse
-- {VGCC_PRE}: Voltage-Controlled Gated Channels
+- PRESYNAPSE: Presynapse
+- VGCC_PRE: Voltage-Controlled Gated Channels
 
-## {{PRESYNAPSE}}
+## PRESYNAPSE
 
 ```Gen
-{PRESYNAPSE}
+PRESYNAPSE
 
   type: comprehension
 
   expand_comprehension: 
-    _VGCC_PRE: {{VGCC-PRE}} [ full: 10x, active: 5x, empty: 2x ]
+    _Vgcc_pre: VGCC-PRE [ full: 10x, active: 5x, empty: 2x ]
 
   instantiate_container:
-    @: {BEHAVIOR_PRE} []
-    @: {TUNE_VGCC_PRE} [pass: _VGCC_PRE]
+    @: BEHAVIOR_PRE []
+    @: TUNE_VGCC_PRE [tub: _Vgcc_pre]
 ```
 
-### {BEHAVIOR_PRE}
+### BEHAVIOR_PRE
 
 ```Gen
-{BEHAVIOR_PRE}
+BEHAVIOR_PRE
 
   activity_scope: !DAY
   type: container
@@ -49,6 +49,8 @@ Qui comprendiamo:
   snippets:
 
     # &AP
+    @: ACCUMULATOR [snip: NTreleaseLow, RF: active 12x]
+
     NTreleaseLow: ACCUMULATOR [RF: active 12x]
     NTreleaseMedium: ACCUMULATOR [RF active 9x]
     NTreleaseHigh: ACCUMULATOR [RF active 9x]
@@ -378,24 +380,24 @@ PossibleDownPreVgccTun
       trace: 
 ```
 
-## {{VGCC-PRE}}
+## VGCC-PRE
 
 Voltage-Controlled Gated Channels: Qui per ora non gestiamo l'evoluzione della depolarizzazione. Alla scomparsa dell'AP, i VGCC smettono di funzionare.
 
 ```Gen
-{{VGCC-PRE}}
+VGCC-PRE
   type: comprehension
 
 instantiate_container:
     BEHAVIOR_VGCC_PRE: CONTAINER []
 ```
 
-### {BEHAVIOR_VGCC_PRE}
+### BEHAVIOR_VGCC_PRE
 
 Voltage-Controlled Gated Channels: Qui per ora non gestiamo l'evoluzione della depolarizzazione. Alla scomparsa dell'AP, i VGCC smettono di funzionare.
 
 ```Gen
-{BEHAVIOR_VGCC_PRE}
+BEHAVIOR_VGCC_PRE
 
   activity_scope: !DAY
   type: container