fix doc

Author: SylvainJuge

instrumentation/jmx-metrics/library/wildfly.md

@@ -15,7 +15,7 @@ Here is the list of metrics based on MBeans exposed by Wildfly.
 | wildfly.session.active.limit            | UpDownCounter | wildfly.deployment                                         | The maximum supported number of active sessions                 |
 | wildfly.db.client.connection.count      | UpDownCounter | db.client.connection.pool.name, db.client.connection.state | The number of open physical database connections                |
 | wildfly.db.client.connection.wait.count | Counter       | db.client.connection.pool.name                             | The number of connection requests that had to wait to obtain it |
-| wildfly.transaction.inflight            | UpDownCounter |                                                            | The number of in-flight transactions                            |
-| wildfly.transaction.count               | Counter       |                                                            | The total number of transactions created                        |
+| wildfly.transaction.count               | UpDownCounter |                                                            | The number of in-flight transactions                            |
+| wildfly.transaction.created             | Counter       |                                                            | The total number of transactions created                        |
 | wildfly.transaction.committed           | Counter       |                                                            | The total number of transactions committed                      |
 | wildfly.transaction.rollback            | Counter       | wildfly.rollback.cause                                     | The total number of transactions rolled back                    |