diff --git a/clicommand/step_update.go b/clicommand/step_update.go
index 1013356f8b..5e22f14ca2 100644
--- a/clicommand/step_update.go
+++ b/clicommand/step_update.go
@@ -40,6 +40,7 @@ Example:
     $ buildkite-agent step update "label" < ./tmp/some-new-label
     $ ./script/label-generator | buildkite-agent step update "label"
     $ buildkite-agent step update "priority" 10 --step "my-step-key"
+    $ buildkite-agent step update "parallelism" 12 --step "my-step-key"
     $ buildkite-agent step update "notify" '[{"github_commit_status": {"context": "my-context"}}]' --append
     $ buildkite-agent step update "notify" '[{"slack": "my-slack-workspace#my-channel"}]' --append
 `