diff --git a/docs/tutorials/cluster.md b/docs/tutorials/cluster.md
index 5ee68e2cd13..bf1fd0b8aac 100644
--- a/docs/tutorials/cluster.md
+++ b/docs/tutorials/cluster.md
@@ -361,8 +361,8 @@ New Historical (on 2 Data servers)
 
 ```
 druid.processing.buffer.sizeBytes=500MiB
-druid.processing.numMergeBuffers=8
-druid.processing.numThreads=31
+druid.processing.numMergeBuffers=4
+druid.processing.numThreads=15
 ```
 
 New MiddleManager (on 2 Data servers)