Doc string update

PRODX-20986

Change-Id: I66b7c9704958fba083886420bb768ddc9d5dc8bf
diff --git a/src/com/mirantis/mk/Workflow.groovy b/src/com/mirantis/mk/Workflow.groovy
index 40277c4..564d418 100644
--- a/src/com/mirantis/mk/Workflow.groovy
+++ b/src/com/mirantis/mk/Workflow.groovy
@@ -475,6 +475,9 @@
  *   ignore_not_built: bool. if true, keep running the workflow jobs if the job set own status to NOT_BUILT, do not fail the workflow at finish for such jobs
  *   inherit_parent_params: bool. if true, provide all parameters from the parent job to the child job as defaults
  *   parameters: dict. parameters name and type to inherit from parent to child job, or from artifact to child job
+ *   wfPauseStepBeforeRun: bool. Interactive pause exact step before run.
+ *   wfPauseStepSlackReportChannel: If step paused, send message about it in slack.
+ *   wfPauseStepTimeout: timeout to wait for manual unpause.
  */
 
 def runScenario(scenario, slackReportChannel = '', artifactoryBaseUrl = '') {