diff --git a/manual/setup_binary/installation_pro.md b/manual/setup_binary/installation_pro.md
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--- a/manual/setup_binary/installation_pro.md
+++ b/manual/setup_binary/installation_pro.md
@@ -1,8 +1,7 @@
 # Installation of Seafile Server Professional Edition
 
-This manual explains how to deploy and run Seafile Server Professional Edition (Seafile PE) on a Linux server from a pre-built package using MySQL/MariaDB as database. The deployment has been tested for Debian/Ubuntu and CentOS, but Seafile PE should also work on other Linux distributions.
+This manual explains how to deploy and run Seafile Server Professional Edition (Seafile PE) on a Linux server from a pre-built package using MySQL/MariaDB as database. The deployment has been tested for Debian/Ubuntu.
 
-**Tip:** If you have little experience with Seafile Server, we recommend that you use an installation script for deploying Seafile Server.
 
 ## Requirements