diff --git a/examples/specs/layer_bar_labels.vl.json b/examples/specs/layer_bar_labels.vl.json
index 0eb5167f304..ec3fbf2df52 100644
--- a/examples/specs/layer_bar_labels.vl.json
+++ b/examples/specs/layer_bar_labels.vl.json
@@ -1,6 +1,6 @@
 {
   "$schema": "https://vega.github.io/schema/vega-lite/v4.json",
-  "description": "Bar chart with text labels. Apply scale padding to make the frame cover the labels.",
+  "description": "Bar chart with text labels. Set domain to make the frame cover the labels.",
   "data": {
     "values": [
       {"a": "A", "b": 28},
@@ -10,7 +10,7 @@
   },
   "encoding": {
     "y": {"field": "a", "type": "nominal"},
-    "x": {"field": "b", "type": "quantitative", "scale": {"padding": 10}}
+    "x": {"field": "b", "type": "quantitative", "scale": {"domain": [0, 60]}}
   },
   "layer": [{
     "mark": "bar"
diff --git a/examples/specs/trellis_area_seattle.vl.json b/examples/specs/trellis_area_seattle.vl.json
index 146cac4aef0..d685070b85a 100644
--- a/examples/specs/trellis_area_seattle.vl.json
+++ b/examples/specs/trellis_area_seattle.vl.json
@@ -32,11 +32,13 @@
         "field": "date",
         "type": "temporal",
         "title": "Month",
+        "timeUnit": "monthdate",
         "axis": {"format": "%b"}
       },
       "y": {
         "field": "temperature",
         "type": "quantitative",
+        "aggregate": "mean",
         "scale": {"zero": false},
         "axis": {"title": null, "labels": false, "ticks": false}
       }