[DOCS] Fixes accounting setting names
The documentation for the account circuit breaker listed the settings for it's limit and overhead to be `network.breaker.accounting.limit` and `network.breaker.accounting.overhead` when in `HieratchyCircuitBreakerService` it seems the settings are actually `indices.breaker.accounting.limit` and `indices.breaker.accounting.overhead`.
@@ -80,12 +80,12 @@ The accounting circuit breaker allows Elasticsearch to limit the memory
usage of things held in memory that are not released when a request is
completed. This includes things like the Lucene segment memory.
-`network.breaker.accounting.limit`::
+`indices.breaker.accounting.limit`::
Limit for accounting breaker, defaults to 100% of JVM heap. This means that it is bound
by the limit configured for the parent circuit breaker.
-`network.breaker.accounting.overhead`::
+`indices.breaker.accounting.overhead`::
A constant that all accounting estimations are multiplied with to determine a
final estimation. Defaults to 1
