diff --git a/velox/docs/develop/TpchBenchmark.rst b/velox/docs/develop/TpchBenchmark.rst
index 23ba28b5d02a..d642ffd55591 100644
--- a/velox/docs/develop/TpchBenchmark.rst
+++ b/velox/docs/develop/TpchBenchmark.rst
@@ -109,8 +109,8 @@ Top Optimization Recommendations
:header: "Option Name", "Single Process", "Multi-Process"
:widths: auto
- "num_drivers","max(20, vCPUs* X 3 / 4)","NA"
- "num_io_threads", "max(16, vCPUs* X 3 / 8)", "vCPUs*"
+ "num_drivers","max(20, vCPUs* X 3 / 4)","NA"
+ "num_io_threads", "max(16, vCPUs* X 3 / 8)", "vCPUs*"
"cache_gb", "50% System RAM", "NA (default = 0)"
"num_splits_per_file", "Row Group Size of Data", "Row Group Size of Data"
"max_coalesced_bytes", "Minimum of 90MB", "Minimum of 90MB"