diff --git a/neuron/presynapse.md b/neuron/presynapse.md
index 735c495..dff5476 100644
--- a/neuron/presynapse.md
+++ b/neuron/presynapse.md
@@ -1,4 +1,4 @@
-# axon.md
+# presynapse.md
 
 Qui comprendiamo: