diff --git a/packages/caliper-core/lib/worker/rate-control/fixedFeedbackRate.js b/packages/caliper-core/lib/worker/rate-control/fixedFeedbackRate.js
index cdc1ac2b7..848beb8fa 100644
--- a/packages/caliper-core/lib/worker/rate-control/fixedFeedbackRate.js
+++ b/packages/caliper-core/lib/worker/rate-control/fixedFeedbackRate.js
@@ -47,7 +47,7 @@ class FixedFeedbackRateController extends RateInterface {
         const tpsPerClient = tps / this.numberOfWorkers;
 
         this.generalSleepTime = (tpsPerClient > 0) ? 1000 / tpsPerClient : 0;
-        this.backOffTime = this.options.sleep_time || 100;
+        this.backOffTime = this.options.sleepTime || 100;
 
         const transactionLoad = this.options.transactionLoad ? this.options.transactionLoad : 10;
         this.unfinishedPerWorker = (transactionLoad / this.numberOfWorkers);
diff --git a/packages/caliper-core/lib/worker/rate-control/maxRate.js b/packages/caliper-core/lib/worker/rate-control/maxRate.js
index 10f04db2e..db622e389 100644
--- a/packages/caliper-core/lib/worker/rate-control/maxRate.js
+++ b/packages/caliper-core/lib/worker/rate-control/maxRate.js
@@ -167,7 +167,7 @@ class MaxRate extends RateInterface {
     }
 
     /**
-     * Apply the client TPS
+     * Apply the worker TPS
      */
     async applySleepInterval() {
         const sleepTime = 1000 / this.tpsSettings.current;