diff --git a/demo/llm.html b/demo/llm.html
index 28eab7b..3bbf60e 100644
--- a/demo/llm.html
+++ b/demo/llm.html
@@ -88,7 +88,7 @@
       source="#recipe"
       target="folk-llm"
       triggers="click"
-      expression="$target.prompt = `double this list of ingredients '${$source.innerHTML}'`"
+      expression="prompt: `double this list of ingredients '${from.innerHTML}'`"
     ></event-propagator>
 
     <event-propagator
diff --git a/demo/spreadsheet-propagator.html b/demo/spreadsheet-propagator.html
index fbaabb3..06664e2 100644
--- a/demo/spreadsheet-propagator.html
+++ b/demo/spreadsheet-propagator.html
@@ -148,21 +148,21 @@
       source="#map1"
       target="folk-cell[column='A'][row='1']"
       triggers="recenter"
-      expression="$target.expression = $source.coordinates.lat"
+      expression="expression: from.coordinates.lat"
     ></event-propagator>
 
     <event-propagator
       source="#map1"
       target="folk-cell[column='A'][row='2']"
       triggers="recenter"
-      expression="$target.expression = $source.coordinates.lng"
+      expression="expression: from.coordinates.lng"
     ></event-propagator>
 
     <event-propagator
       source="folk-cell[column='A'][row='3']"
       target="#map2"
       triggers="propagate"
-      expression="$target.coordinates = $source.value"
+      expression="coordinates: from.value"
     ></event-propagator>
 
     <script type="module">