Update develop-docs/sdk/data-model/envelope-items.mdx

Co-authored-by: Alex Krawiec <[email protected]>

Author: chargome

develop-docs/sdk/data-model/envelope-items.mdx

@@ -463,7 +463,7 @@ Item type `"trace_metric"` contains an array of metric payloads encoded as JSON.
 
 Only a single trace_metric container is allowed per envelope. The `item_count` field in the envelope item header must match the amount of metrics sent. A `content_type` field in the envelope item header must be set to `application/vnd.sentry.items.trace-metric+json`. Both the `item_count` and `content_type` fields are required.
 
-It's okay to mix metrics from different traces into the same trace_metric envelope item, but if you do, you MUST not attach a DSC (dynamic sampling context) to the envelope header.
+It's okay to mix metrics from different traces into the same `trace_metric` envelope item, but if you do, you MUST NOT attach a DSC (dynamic sampling context) to the envelope header.
 
 See the <Link to="/sdk/telemetry/metrics">Metrics</Link> documentation for the payload
 details. For an example `trace_metric` envelope, see [Appendix A of the Metrics documentation](/sdk/telemetry/metrics#appendix-a-example-trace_metric-envelope).