diff --git a/docs/en/14-reference/12-config/index.md b/docs/en/14-reference/12-config/index.md
index 2e6f5ec1e27b7cbba035ad745e4d1f6ec3633f22..715a68696b8433c2f3447c079622d92d53bd36bc 100644
--- a/docs/en/14-reference/12-config/index.md
+++ b/docs/en/14-reference/12-config/index.md
@@ -358,6 +358,17 @@ The charset that takes effect is UTF-8.
 | Value Range | 0-4096                                     |
 | Default Value | 2x the CPU cores                                                    |
 
+## Performance Tuning
+
+### numOfCommitThreads
+
+| Attribute     | Description                         |
+| ------------- | ----------------------------------- |
+| Applicable    | Server Only                         |
+| Meaning       | Maximum number of threads to commit |
+| Value Range   | 0-1024                              |
+| Default Value |                                     |
+
 ## Log Parameters
 
 ### logDir
diff --git a/docs/zh/14-reference/12-config/index.md b/docs/zh/14-reference/12-config/index.md
index fe23684fde2501ea60cccba589527fdf590d3cef..c1d23df4094e7c9d33e670742d258540ea63921c 100644
--- a/docs/zh/14-reference/12-config/index.md
+++ b/docs/zh/14-reference/12-config/index.md
@@ -356,7 +356,7 @@ charset 的有效值是 UTF-8。
 | 适用范围 | 仅服务端适用                |
 | 含义     | dnode 支持的最大 vnode 数目 |
 | 取值范围 | 0-4096                      |
-| 缺省值   | CPU 核数的 2 倍                         |
+| 缺省值   | CPU 核数的 2 倍             |
 
 ## 性能调优
 
@@ -366,6 +366,7 @@ charset 的有效值是 UTF-8。
 | -------- | ---------------------- |
 | 适用范围 | 仅服务端适用           |
 | 含义     | 设置写入线程的最大数量 |
+| 取值范围 | 0-1024                 |
 | 缺省值   |                        |
 
 ## 日志相关