diff --git a/docs/mysql.md b/docs/mysql.md
index 715c74b4a..9fbff65ba 100644
--- a/docs/mysql.md
+++ b/docs/mysql.md
@@ -1,3 +1,5 @@
+MySQL is used for most of mailcow's and SOGo's settings.
+
 ### Connect
 ```
 source mailcow.conf