diff --git a/elements/neuron/presynapse.md b/elements/neuron/presynapse.md
index 2c813a9..a8af6eb 100644
--- a/elements/neuron/presynapse.md
+++ b/elements/neuron/presynapse.md
@@ -125,8 +125,8 @@ MAIN
     
     void: INSTANTIATE [ accumulator: NTreleaseMedium, event: 9x, cost: 3x, context: *AP ] {
       hypothesis: ( _Ca2 fullness AND _Rrp mediumness ) OR ( _Ca2 mediumness AND _Rrp fullness ) AND NOT _ATP empty 
-      action: [ _Rrp decrease, _NT increase, _ATP decrease ]
-      trace: None
+        action: [ _Rrp decrease, _NT increase, _ATP decrease ]
+        trace: None
     }
 
     void: INSTANTIATE [ accumulator: NTreleaseHigh, event: 6x, cost: 3x, context: *AP ] {