update docs/reference-tables/metrics.md

Author: github-actions[bot]

docs/reference-tables/metrics.md

@@ -35,7 +35,7 @@
 | wsConnectionAttempt                | Counter   | The number of open connection attempts                                                                                                    |                                                                                       |
 | wsConnectionClosures               | Counter   | The number of connection closures                                                                                                         | - url<br>- code                                                                       |
 | wsConnectionErrors                 | Counter   | The number of connection errors                                                                                                           | - message                                                                             |
-| wsConnectionFailoverCount          | Gauge     | The number of consecutive unresponsive connection detections (no data for WS_SUBSCRIPTION_UNRESPONSIVE_TTL), used to trigger URL failover | - transport_name                                                                      |
+| wsConnectionFailoverCount          | Gauge     | The number of consecutive unresponsive connection detections (no data for WS_SUBSCRIPTION_UNRESPONSIVE_TTL), used to trigger URL failover | - transport_name<br>- url                                                             |
 | wsMessageTotal                     | Counter   | The number of messages sent in total                                                                                                      | - feed_id<br>- subscription_key<br>- direction                                        |
 | wsSubscriptionActive               | Gauge     | The number of currently active subscriptions                                                                                              | - feed_id<br>- subscription_key                                                       |
 | wsSubscriptionTotal                | Counter   | The number of subscriptions opened in total                                                                                               | - feed_id<br>- subscription_key                                                       |