diff --git a/content/en/docs/17.0/reference/programs/vttablet.md b/content/en/docs/17.0/reference/programs/vttablet.md
index 4783208ef..fd1db3d3e 100644
--- a/content/en/docs/17.0/reference/programs/vttablet.md
+++ b/content/en/docs/17.0/reference/programs/vttablet.md
@@ -402,6 +402,7 @@ The following global options apply to `vttablet`:
 | --twopc_enable                                                   | boolean       | if the flag is on, 2pc is enabled. Other 2pc flags must be supplied.                                                                                                                                                                                                                                                                                                                                                                                                                                       |
 | --tx-throttler-config                                            | string        | Synonym to -tx_throttler_config (default "target_replication_lag_sec: 2\nmax_replication_lag_sec: 10\ninitial_rate: 100\nmax_increase: 1\nemergency_decrease: 0.5\nmin_duration_between_increases_sec: 40\nmax_duration_between_increases_sec: 62\nmin_duration_between_decreases_sec: 20\nspread_backlog_across_sec: 20\nage_bad_rate_after_sec: 180\nbad_rate_increase: 0.1\nmax_rate_approach_threshold: 0.9\n")                                                                                        |
 | --tx-throttler-healthcheck-cells                                 | strings       | Synonym to -tx_throttler_healthcheck_cells                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
+| --tx-throttler-tablet-types                                      | strings       | A comma-separated list of tablet types. Only tablets of this type are monitored for replication lag by the transaction throttler. Supported types are replica and/or rdonly. (default replica)                                                                                                   |
 | --tx_throttler_config                                            | string        | The configuration of the transaction throttler as a text formatted throttlerdata.Configuration protocol buffer message (default "target_replication_lag_sec: 2\nmax_replication_lag_sec: 10\ninitial_rate: 100\nmax_increase: 1\nemergency_decrease: 0.5\nmin_duration_between_increases_sec: 40\nmax_duration_between_increases_sec: 62\nmin_duration_between_decreases_sec: 20\nspread_backlog_across_sec: 20\nage_bad_rate_after_sec: 180\nbad_rate_increase: 0.1\nmax_rate_approach_threshold: 0.9\n") |
 | --tx_throttler_healthcheck_cells                                 | strings       | A comma-separated list of cells. Only tabletservers running in these cells will be monitored for replication lag by the transaction throttler.                                                                                                                                                                                                                                                                                                                                                             |
 | --unhealthy_threshold                                            | duration      | replication lag after which a replica is considered unhealthy (default 2h0m0s)                                                                                                                                                                                                                                                                                                                                                                                                                             |