diff --git a/docs/en/guides/How-to-build.md b/docs/en/guides/How-to-build.md
index 006ce4331fd33883423ef2732f961dd8855f705e..4ecd45325c5de8c03c7b3bb7e007388f7890b999 100644
--- a/docs/en/guides/How-to-build.md
+++ b/docs/en/guides/How-to-build.md
@@ -24,7 +24,7 @@ This document helps people to compile and build the project in your maven and se
 1. Run `./mvnw compile -Dmaven.test.skip=true` to compile project and generate source codes. Because we use gRPC and protobuf.
 1. Set **Generated Source Codes** folders.
     * `grpc-java` and `java` folders in **apm-protocol/apm-network/target/generated-sources/protobuf**
-    * `grpc-java` and `java` folders in **apm-collector/apm-collector-remote/apm-remote-grpc-provider/target/generated-sources/protobuf**
+    * `grpc-java` and `java` folders in **oap-server/server-core/target/generated-sources/protobuf**
     
 ## Setup your Eclipse IDE
 1. Import the project as a maven project