diff --git a/docs/configuration/dns/server/udp.md b/docs/configuration/dns/server/udp.md
index 4ffbf4d8..c551d3c9 100644
--- a/docs/configuration/dns/server/udp.md
+++ b/docs/configuration/dns/server/udp.md
@@ -4,7 +4,7 @@ icon: material/new-box
 
 !!! question "Since sing-box 1.12.0"
 
-# TCP
+# UDP
 
 ### Structure