diff --git a/administration/monitoring.md b/administration/monitoring.md
index a1a7f0a86..518d226ce 100644
--- a/administration/monitoring.md
+++ b/administration/monitoring.md
@@ -198,6 +198,7 @@ Some metrics are available only for specific plugins or runtime modes. For examp
 | `fluentbit_build_info` | hostname: the hostname, version: the version of Fluent Bit, os: OS type | Build version information. The value is the Unix epoch timestamp of the configuration context initialization. | gauge | seconds |
 | `fluentbit_filter_added_records_total` | name: the name or alias for the filter instance | The number of log records added by the filter into the data pipeline. | counter | records |
 | `fluentbit_filter_bytes_total` | name: the name or alias for the filter instance | The number of bytes of log records that this filter instance has ingested successfully. | counter | bytes |
+| `fluentbit_filter_drop_bytes_total` | name: the name or alias for the filter instance | The number of bytes of log records dropped by the filter and removed from the data pipeline. | counter | bytes |
 | `fluentbit_filter_drop_records_total` | name: the name or alias for the filter instance | The number of log records dropped by the filter and removed from the data pipeline. | counter | records |
 | `fluentbit_filter_records_total` | name: the name or alias for the filter instance | The number of log records this filter has ingested successfully. | counter | records |
 | `fluentbit_hot_reloaded_times` | hostname: the hostname on running Fluent Bit | Collect the count of hot reloaded times. | counter | times |