RUN-17720 change table header

Author: jasonnovichRunAI

docs/developer/metrics/metrics.md

@@ -114,7 +114,7 @@ For additional information, see Kubernetes [kube-state-metrics](https://github.c
 
 Starting in version 2.17, Run:ai metrics are available as API endpoints. Using the API endpoints is more efficient and provides an easier way of retrieving metrics in any application. The following table lists the metrics that were changed.
 
-| 2.16 | 2.17 | API Endpoint |
+| 2.16 | Change Description | 2.17 API Endpoint |
 | --- |  --- |  --- |
 | runai\_active\_job\_cpu\_requested\_cores | changed to API | https://app.run.ai/api/v1/workloads/{workloadId}/metrics ; with "CPU\_REQUEST" metricType |
 | runai\_active\_job\_memory\_requested\_bytes | changed to API | https://app.run.ai/api/v1/workloads/{workloadId}/metrics ; with "CPU\_MEMORY\_REQUEST" metricType |