Update pro-build-announcement.md

Author: alina-derkach-oaza

snippets/pro-build-announcement.md

@@ -1,3 +1,3 @@
-Percona XtraBackup Pro includes the [capabilities](pxb-pro.md#capabilities) that are typically requested by large enterprises. Percona XtraBackup Pro contains packages created and tested by Percona. These packages are supported only for Percona Customers with a subscription.
+Percona Server for MySQL Pro includes the [capabilities](pxb-pro.md#capabilities) that are typically requested by large enterprises. Percona Server for MySQL Pro contains packages created and tested by Percona. These packages are supported only for Percona Customers with a subscription.
 
-[Become a Percona Customer](https://www.percona.com/about/contact){.md-button}
+[Become a Percona Customer](https://www.percona.com/about/contact){.md-button}