diff --git a/conf/proxy.conf b/conf/proxy.conf
index 8a67e50782724..653a8a9ca61cf 100644
--- a/conf/proxy.conf
+++ b/conf/proxy.conf
@@ -72,6 +72,12 @@ webServicePort=8080
 # Port to use to server HTTPS request
 webServicePortTls=
 
+# Number of threads used for Netty IO. Default is set to `2 * Runtime.getRuntime().availableProcessors()`
+numIOThreads=
+
+# Number of threads used for Netty Acceptor. Default is set to `1`
+numAcceptorThreads=
+
 ### --- TLS config variables --- ###
 ## Note that some of the above TLS configs also apply to the KeyStore TLS configuration.
 
diff --git a/pulsar-proxy/src/main/java/org/apache/pulsar/proxy/server/ProxyConfiguration.java b/pulsar-proxy/src/main/java/org/apache/pulsar/proxy/server/ProxyConfiguration.java
index faec6b6da07c1..b6371c55f93cb 100644
--- a/pulsar-proxy/src/main/java/org/apache/pulsar/proxy/server/ProxyConfiguration.java
+++ b/pulsar-proxy/src/main/java/org/apache/pulsar/proxy/server/ProxyConfiguration.java
@@ -636,14 +636,14 @@ public class ProxyConfiguration implements PulsarConfiguration {
 
     @FieldContext(
             category = CATEGORY_SERVER,
-            doc = "Number of threads to use for Netty IO."
+            doc = "Number of threads used for Netty IO."
                     + " Default is set to `2 * Runtime.getRuntime().availableProcessors()`"
     )
     private int numIOThreads = 2 * Runtime.getRuntime().availableProcessors();
 
     @FieldContext(
             category = CATEGORY_SERVER,
-            doc = "Number of threads to use for Netty Acceptor."
+            doc = "Number of threads used for Netty Acceptor."
                     + " Default is set to `1`"
     )
     private int numAcceptorThreads = 1;
diff --git a/site2/docs/reference-configuration.md b/site2/docs/reference-configuration.md
index 53709fe06e39d..b4565cdc58492 100644
--- a/site2/docs/reference-configuration.md
+++ b/site2/docs/reference-configuration.md
@@ -817,6 +817,8 @@ The [Pulsar proxy](concepts-architecture-overview.md#pulsar-proxy) can be config
 |tokenAudienceClaim| The token audience "claim" name, e.g. "aud". It is used to get the audience from token. If it is not set, the audience is not verified. ||
 | tokenAudience | The token audience stands for this broker. The field `tokenAudienceClaim` of a valid token need contains this parameter.| |
 |haProxyProtocolEnabled | Enable or disable the [HAProxy](http://www.haproxy.org/) protocol. |false|
+| numIOThreads | Number of threads used for Netty IO. | 2 * Runtime.getRuntime().availableProcessors() |
+| numAcceptorThreads | Number of threads used for Netty Acceptor. | 1 |
 
 #### Deprecated parameters of Pulsar proxy
 The following parameters have been deprecated in the `conf/proxy.conf` file.