Update statefulset-metrics.md

Author: yasicar

docs/metrics/workload/statefulset-metrics.md

@@ -6,7 +6,8 @@
 | kube_statefulset_status_replicas                        | Gauge       |                                                                                                                                         | `statefulset`=&lt;statefulset-name&gt; <br> `namespace`=&lt;statefulset-namespace&gt;                                                                                                                               | STABLE       |
 | kube_statefulset_status_replicas_current                | Gauge       |                                                                                                                                         | `statefulset`=&lt;statefulset-name&gt; <br> `namespace`=&lt;statefulset-namespace&gt;                                                                                                                               | STABLE       |
 | kube_statefulset_status_replicas_ready                  | Gauge       |                                                                                                                                         | `statefulset`=&lt;statefulset-name&gt; <br> `namespace`=&lt;statefulset-namespace&gt;                                                                                                                               | STABLE       |
-| kube_statefulset_status_replicas_available              | Gauge       | The number of available replicas per StatefulSet.                                                                                      | `statefulset`=&lt;statefulset-name&gt; <br> `namespace`=&lt;statefulset-namespace&gt;                                                                                                                               | STABLE       |
+| kube_statefulset_status_replicas_available              | Gauge       |
+| `statefulset`=&lt;statefulset-name&gt; <br> `namespace`=&lt;statefulset-namespace&gt;                                                                                                                               | STABLE       |
 | kube_statefulset_status_replicas_updated                | Gauge       |                                                                                                                                         | `statefulset`=&lt;statefulset-name&gt; <br> `namespace`=&lt;statefulset-namespace&gt;                                                                                                                               | STABLE       |
 | kube_statefulset_status_observed_generation             | Gauge       |                                                                                                                                         | `statefulset`=&lt;statefulset-name&gt; <br> `namespace`=&lt;statefulset-namespace&gt;                                                                                                                               | STABLE       |
 | kube_statefulset_replicas                               | Gauge       |                                                                                                                                         | `statefulset`=&lt;statefulset-name&gt; <br> `namespace`=&lt;statefulset-namespace&gt;                                                                                                                               | STABLE       |