diff --git a/src/docs/user/cluster/cluster_databases.diviner b/src/docs/user/cluster/cluster_databases.diviner
index cfe684c601..1da9eb2156 100644
--- a/src/docs/user/cluster/cluster_databases.diviner
+++ b/src/docs/user/cluster/cluster_databases.diviner
@@ -302,7 +302,7 @@ this command //from// that host, to avoid sending the whole dump over the
 network).
 
 With the `--for-replica` flag, the `bin/storage dump` command creates dumps
-with `--dump-slave`, which includes a `CHANGE MASTER` statement in the output.
+with `--master-data`, which includes a `CHANGE MASTER` statement in the output.
 This may be helpful when initially setting up new replicas, as it can make it
 easier to change the binlog coordinates to the correct position for the dump.
 
diff --git a/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementDumpWorkflow.php b/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementDumpWorkflow.php
index 268b32b462..4933bd70bb 100644
--- a/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementDumpWorkflow.php
+++ b/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementDumpWorkflow.php
@@ -13,7 +13,7 @@ final class PhabricatorStorageManagementDumpWorkflow
           array(
             'name' => 'for-replica',
             'help' => pht(
-              'Add __--dump-slave__ to the __mysqldump__ command, '.
+              'Add __--master-data__ to the __mysqldump__ command, '.
               'generating a CHANGE MASTER statement in the output.'),
           ),
         ));
@@ -57,7 +57,7 @@ final class PhabricatorStorageManagementDumpWorkflow
     $argv[] = '--default-character-set=utf8';
 
     if ($args->getArg('for-replica')) {
-      $argv[] = '--dump-slave';
+      $argv[] = '--master-data';
     }
 
     $argv[] = '-u';