update MD by dispatch event pingcap/docs release-cloud

Author: github-actions

markdown-pages/en/tidbcloud/master/tidb-cloud/tidb-cloud-faq.md

@@ -51,6 +51,10 @@ TiDB is trusted by over 1500 global enterprises across a variety of industries,
 
 TiDB Cloud provides 99.99% SLA. For details, see [Service Level Agreement for TiDB Cloud Services](https://www.pingcap.com/legal/service-level-agreement-for-tidb-cloud-services/).
 
+### What does BETA mean in TiDB Cloud?
+
+BETA is the public preview stage of a TiDB Cloud feature or offering before it becomes generally available (GA).
+
 ### How can I learn more about TiDB Cloud?
 
 The best way to learn about TiDB Cloud is to follow our step-by-step tutorial. Check out the following topics to get started: