Fix managed cursor acknowledgment state metric names (#13844)

diff --git a/site2/docs/reference-metrics.md b/site2/docs/reference-metrics.md
index ce048ab..e991610 100644
--- a/site2/docs/reference-metrics.md
+++ b/site2/docs/reference-metrics.md
@@ -303,14 +303,14 @@
 
 Name	|Type	|Description
 |---|---|---
-brk_ml_cursor_persistLedgerSucceed(namespace="", ledger_name="", cursor_name:"")|Gauge|The number of acknowledgment states that is persistent to a ledger.|
-brk_ml_cursor_persistLedgerErrors(namespace="", ledger_name="", cursor_name:"")|Gauge|The number of ledger errors occurred when acknowledgment states fail to be persistent to the ledger.|
-brk_ml_cursor_persistZookeeperSucceed(namespace="", ledger_name="", cursor_name:"")|Gauge|The number of acknowledgment states that is persistent to ZooKeeper.
-brk_ml_cursor_persistZookeeperErrors(namespace="", ledger_name="", cursor_name:"")|Gauge|The number of ledger errors occurred when acknowledgment states fail to be persistent to ZooKeeper.
-brk_ml_cursor_nonContiguousDeletedMessagesRange(namespace="", ledger_name="", cursor_name:"")|Gauge|The number of non-contiguous deleted messages ranges.
-brk_ml_cursor_writeLedgerSize(namespace="", ledger_name="", cursor_name:"")|Gauge|The size of write to ledger.
-brk_ml_cursor_writeLedgerLogicalSize(namespace="", ledger_name="", cursor_name:"")|Gauge|The size of write to ledger (accounting for without replicas).
-brk_ml_cursor_readLedgerSize(namespace="", ledger_name="", cursor_name:"")|Gauge|The size of read from ledger.
+brk_ml_cursor_persistLedgerSucceed|Gauge|The number of acknowledgment states that is persistent to a ledger.|
+brk_ml_cursor_persistLedgerErrors|Gauge|The number of ledger errors occurred when acknowledgment states fail to be persistent to the ledger.|
+brk_ml_cursor_persistZookeeperSucceed|Gauge|The number of acknowledgment states that is persistent to ZooKeeper.
+brk_ml_cursor_persistZookeeperErrors|Gauge|The number of ledger errors occurred when acknowledgment states fail to be persistent to ZooKeeper.
+brk_ml_cursor_nonContiguousDeletedMessagesRange|Gauge|The number of non-contiguous deleted messages ranges.
+brk_ml_cursor_writeLedgerSize|Gauge|The size of write to ledger.
+brk_ml_cursor_writeLedgerLogicalSize|Gauge|The size of write to ledger (accounting for without replicas).
+brk_ml_cursor_readLedgerSize|Gauge|The size of read from ledger.
 
 ### LoadBalancing metrics
 All the loadbalancing metrics are labelled with the following labels: