diff --git a/docs/examples/creating_traces.md b/docs/examples/creating_traces.md
index 026e1f3..e557458 100644
--- a/docs/examples/creating_traces.md
+++ b/docs/examples/creating_traces.md
@@ -130,8 +130,14 @@ client.trace_create([
         name="hr/power",
         data={
             "unit": "bpm",
-            "hr": [102, 110],
-            "power": [200, 210],
+            "hr": {
+                "unit": "bpm",
+                "values": [102, 110]
+            },
+            "power": {
+                "unit": "watts", 
+                "values": [200, 210],
+            },
             "timestamps": [
                 dt.datetime(2021, 1, 1), 
                 dt.datetime(2021, 1, 2),