diff --git a/udp2raw-openvpn-config-guide.md b/udp2raw-openvpn-config-guide.md
index 3fcbc8a..e9fba29 100644
--- a/udp2raw-openvpn-config-guide.md
+++ b/udp2raw-openvpn-config-guide.md
@@ -96,4 +96,5 @@ txqueuelen 4000     ##### suggested
 # to redirect all traffic through udp2raw+openvpn
 
 check this article, its essentially same:
+
 https://github.com/wangyu-/UDPspeeder/wiki/UDPspeeder-openvpn-config-guide
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