diff --git a/FAQ.md b/FAQ.md
index f7a996c..444868e 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -172,6 +172,6 @@ https://github.com/sponsors/rustdesk
 
 https://ko-fi.com/rustdesk
 
-# Why does self-hosting server need to configure public key?
+# Why does self-hosting server need to configure a public key?
 
 https://github.com/rustdesk/rustdesk/discussions/966#discussioncomment-6017364