diff --git a/elements/neuron/presynapse.md b/elements/neuron/presynapse.md
index 68a61e4..e034460 100644
--- a/elements/neuron/presynapse.md
+++ b/elements/neuron/presynapse.md
@@ -39,12 +39,12 @@ BEHAVIOR_PRE
     _CaTraces: TUB [ full: 50x, active: 0x, empty: 0x ]
 
   tub_intricated:
-    _NT: contained_by [ SYN ] 
-    _ATP: contained_by [?] 
-    _eCB: contained_by [POST]
+    _NT: TUB [ASTROSYNAPSE._NT] 
+    _ATP: TUB [ASTROCYTE?._ATP] 
+    _eCB: TUB [POSTSYNAPSE._eCB]
 
   context_intricated:
-    $AP: contained_by [SOMA]
+    &AP: CONTEXT [SOMA] ???
 
   snippets: