diff --git a/google-cloud-clients/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/Subscriber.java b/google-cloud-clients/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/Subscriber.java
index 5debfdf3218f..cf35733bda8b 100644
--- a/google-cloud-clients/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/Subscriber.java
+++ b/google-cloud-clients/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/Subscriber.java
@@ -583,8 +583,7 @@ public Builder setSystemExecutorProvider(ExecutorProvider executorProvider) {
     }
 
     /**
-     * Sets the number of pullers used to pull messages from the subscription. Defaults to the
-     * number of available processors.
+     * Sets the number of pullers used to pull messages from the subscription. Defaults to one.
      */
     public Builder setParallelPullCount(int parallelPullCount) {
       this.parallelPullCount = parallelPullCount;