diff --git a/manual/deploy_pro/upgrading_seafile_professional_server.md b/manual/deploy_pro/upgrading_seafile_professional_server.md
deleted file mode 100644
index 3f143438b..000000000
--- a/manual/deploy_pro/upgrading_seafile_professional_server.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# Upgrading Seafile Professional Server
-
-Upgrading Seafile Professional Server works like [upgrading a Seafile Community Server](../upgrade/upgrade.md)
diff --git a/manual/upgrade/upgrade.md b/manual/upgrade/upgrade.md
index 18c4713ad..fa2504508 100644
--- a/manual/upgrade/upgrade.md
+++ b/manual/upgrade/upgrade.md
@@ -4,7 +4,7 @@ There are three types of upgrade, i.e., major version upgrade, minor version upg
 
 * After upgrading, you may need to clean [seahub cache](../deploy/add_memcached.md) if it doesn't behave as expect.
 * If you are using a Docker based deployment, please read [upgrade a Seafile docker instance](upgrade_docker.md)
-* If you are running a **cluster**, please read [upgrade a Seafile cluster](../deploy_pro/upgrade_a_cluster.md).
+* If you are running a **cluster**, please read [upgrade a Seafile cluster](upgrade_a_cluster.md).
 * If you are using a binary package based deployment, please read instructions below.
 
 ## Special upgrade notes
diff --git a/manual/deploy_pro/upgrade_a_cluster.md b/manual/upgrade/upgrade_a_cluster.md
similarity index 100%
rename from manual/deploy_pro/upgrade_a_cluster.md
rename to manual/upgrade/upgrade_a_cluster.md
diff --git a/mkdocs.yml b/mkdocs.yml
index d11249bcc..8788a950f 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -77,7 +77,6 @@ nav:
       - Memcache and MariaDB Cluster: deploy_pro/memcached_mariadb_cluster.md
       - Notification Server in Cluster: deploy_pro/notification-server.md
       - Setup Seafile cluster with NFS: deploy_pro/setup_seafile_cluster_with_nfs.md
-      - Upgrade a cluster: deploy_pro/upgrade_a_cluster.md
     - License: deploy_pro/seafile_professional_sdition_software_license_agreement.md
   - Seafile Setup with Docker:
     - Seafile Community Installation: docker/deploy_seafile_with_docker.md
@@ -153,6 +152,7 @@ nav:
   - Upgrade Seafile Server:
     - Outline: upgrade/upgrade.md
     - Upgrade Seafile Docker: upgrade/upgrade_docker.md
+    - Upgrade Seafile Cluster: upgrade/upgrade_a_cluster.md
     - Upgrade notes for 7.0.x: upgrade/upgrade_notes_for_7.0.x.md
     - Upgrade notes for 7.1.x: upgrade/upgrade_notes_for_7.1.x.md
     - Upgrade notes for 8.0.x: upgrade/upgrade_notes_for_8.0.x.md