Update modules/ROOT/pages/monitoring/metrics/reference.adoc

Co-authored-by: NataliaIvakina <[email protected]>

Author: MishaDemianenko

modules/ROOT/pages/monitoring/metrics/reference.adoc

@@ -598,6 +598,6 @@ You can limit this memory using JVM settings, but there is never any good reason
 |===
 |Name |Description
 |<prefix>.vm.threads|The total number of live platform threads including daemon and non-daemon threads. (gauge)
-|<prefix>.vm.threads.virtual|label:new[Introduced in 2025.05]The total number of virtual threads.
+|<prefix>.vm.threads.virtual|label:new[Introduced in 2025.05]The total number of virtual threads. (gauge)
 |===