fix comment

Author: benjaminjb

internal/collector/generated/postgres_5m_metrics.json

@@ -146,6 +146,7 @@
       - metric_name: ccp_pg_hba_checksum 
         value_column: status
         description: |
-          Value of checksum monitioring status for pg_catalog.pg_settings (postgresql.conf).
+          Value of checksum monitioring status for pg_catalog.pg_hba_file_rules (pg_hba.conf).
           0 = valid config. 1 = settings changed. 
-          To reset current config to valid after alert, run monitor.pg_settings_checksum_set_valid().
+          Settings history is available for review in the table `monitor.pg_hba_checksum`.
+          To reset current config to valid after alert, run monitor.pg_hba_checksum_set_valid(). Note this will clear the history table.