chore: Some more small improvements

Author: vdekrijger

contents/docs/product-analytics/dashboards.mdx

@@ -27,7 +27,7 @@ export const dashboardfiltersDark = "https://res.cloudinary.com/dmukukwp6/video/
 
 Dashboards are the easiest way to track all your most important product and performance metrics.
 
-Unlike [notebooks](/docs/notebooks), which are ideal of adhoc analysis of specific issues, dashboards are designed for tracking common metrics over time. 
+Unlike [notebooks](/docs/notebooks), which are ideal for adhoc analysis of specific issues, dashboards are designed for tracking common metrics over time.
 
 You can create a new dashboard from scratch, but we also offer numerous [dashboard templates](/templates) for tracking things like [website metrics](/templates/website-dashboard), [product health metrics](/templates/health-dashboard), and [metrics for large language models](/docs/llm-analytics).
 
@@ -187,11 +187,25 @@ resource "posthog_dashboard" "team_metrics" {
 ### Example: Creating an insight
 
 ```hcl
-resource "posthog_insight" "weekly_signups" {
-  name        = "Weekly signups"
-  description = "Tracks sign up volume per week"
-  dashboards  = [posthog_dashboard.team_metrics.id]
-  tags        = ["managed-by:terraform"]
+resource "posthog_insight" "pageview_count" {
+  derived_name = "Pageview count"
+  query_json = jsonencode({
+    "kind": "InsightVizNode",
+    "source": {
+      "kind": "TrendsQuery",
+      "series": [
+        {
+          "kind": "EventsNode",
+          "name": "$pageview",
+          "event": "$pageview",
+          "math": "total"
+        }
+      ],
+      "trendsFilter": {},
+      "version": 2
+    }
+  })
+  tags = ["managed-by:terraform"]
 }
 ```