diff --git a/elements/neuron/presynapse.md b/elements/neuron/presynapse.md
index 39aaf63..596268a 100644
--- a/elements/neuron/presynapse.md
+++ b/elements/neuron/presynapse.md
@@ -44,6 +44,10 @@ PRESYNAPSE
     # Context
     *VcggPreActiveIncrease: CONTEXT []
     *VcggPreActiveDecrease: CONTEXT []
+    *Ca2PrePreActiveDecrease: CONTEXT []
+    *Ca2PreActiveDecrease: CONTEXT []
+    *RrpPreActiveDecrease: CONTEXT []
+    *RrpPreActiveDecrease: CONTEXT []
 
     # Tub
     _Ca2: TUB [ full: 60x, active: 30x, empty: 0x ]