diff --git a/elements/neuron/postsynapse.md b/elements/neuron/postsynapse.md
index 3bf7478..dba08fa 100644
--- a/elements/neuron/postsynapse.md
+++ b/elements/neuron/postsynapse.md
@@ -304,6 +304,15 @@ Il clearance lo mettiamo qui come container, perche' gli AMPA creano, e questo c
 
 ```Gen
 POST-NA-CLEAR
+  type: comprehension
+
+  expansion:
+  @: POST-NA-CLEAR-BHE: POST-NA-CLEAR-BHE
+```
+
+## POST-NA-CLEAR-BHE: Container
+```Gen
+POST-NA-CLEAR-BHE
   type: container
 
   context_intricated:
@@ -317,7 +326,7 @@ POST-NA-CLEAR
 ```Gen
 NaClearanceHigh: ( active: 4x )
   type: accumulator
-  contained_by: POSTSYNAPSE
+  contained_by: POST-NA-CLEAR-BHE
 
   in_context: NOT bAP_ctx ??any??
     hypothesis: ( Na mediumness ) OR ( Na fullness )
@@ -330,7 +339,7 @@ NaClearanceHigh: ( active: 4x )
 ```Gen
 NaClearanceLow: ( active: 16x )
   type: accumulator
-  contained_by: POSTSYNAPSE
+  contained_by: POST-NA-CLEAR-BHE
 
   in_context: NOT bAP_ctx ??any??
     hypothesis: NOT (Na empty)