Fix code fence formatting

Author: kbatuigas

modules/manage/pages/cluster-maintenance/disk-utilization.adoc

@@ -172,7 +172,7 @@ You can manage the disk usage of `kafka_internal/tx` by tuning the following clu
 * config_ref:transaction_coordinator_delete_retention_ms,true,properties/cluster-properties[`transaction_coordinator_delete_retention_ms`]. Default: `604800000` (7 days).
 * config_ref:transactional_id_expiration_ms,true,properties/cluster-properties[`transactional_id_expiration_ms`]. Default: `604800000` (7 days).
 
-To mitigate unbounded growth `kafka_internal/tx`'s disk usage and manage its storage consumption more effectively, <<monitor-disk-space,monitor your storage metrics>> and decrease the values of the relevant properties as needed. 
+To mitigate unbounded growth of `kafka_internal/tx` disk usage and manage its storage consumption more effectively, <<monitor-disk-space,monitor your storage metrics>> and lower the values of the relevant properties as needed. 
 
 To adjust these properties, run: