diff --git a/CHANGES.md b/CHANGES.md
index 63815201a063813b1328358114ecf5ae1151b8eb..598f0d4658fa7448056a15065619be57aeb1014f 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -14,6 +14,7 @@ Release Notes.
 * [Temporary] Support authentication for log report channel. This feature and grpc channel is going to be removed after Satellite 0.2.0 release.
 * Remove deprecated gRPC method, `io.grpc.ManagedChannelBuilder#nameResolverFactory`. See [gRPC-java 7133](https://github.com/grpc/grpc-java/issues/7133) for more details.
 * Add `Neo4j-4.x` plugin.
+* Correct `profile.duration` to `profile.max_duration` in the default `agent.config` file.
 
 #### OAP-Backend
 * Disable Spring sleuth meter analyzer by default.
diff --git a/apm-sniffer/config/agent.config b/apm-sniffer/config/agent.config
index 44c67fea5ad35ddf80eaef8e4b280b3d02df8983..78e2de48886a4403c2a65f5abad9bb4b2a0be352 100644
--- a/apm-sniffer/config/agent.config
+++ b/apm-sniffer/config/agent.config
@@ -62,7 +62,7 @@ agent.service_name=${SW_AGENT_NAME:Your_ApplicationName}
 # profile.max_parallel=${SW_AGENT_PROFILE_MAX_PARALLEL:5}
 
 # Max monitor segment time(minutes), if current segment monitor time out of limit, then stop it.
-# profile.duration=${SW_AGENT_PROFILE_DURATION:10}
+# profile.max_duration=${SW_AGENT_PROFILE_DURATION:10}
 
 # Max dump thread stack depth
 # profile.dump_max_stack_depth=${SW_AGENT_PROFILE_DUMP_MAX_STACK_DEPTH:500}