diff --git a/How-to-build.md b/How-to-build.md
index e98d1de..b547f6e 100644
--- a/How-to-build.md
+++ b/How-to-build.md
@@ -1,3 +1,3 @@
-[Original udp2raw article](https://github.com/wangyu-/udp2raw/blob/master/doc/build_guide.md)
+[Original udp2raw how-to-build article](https://github.com/wangyu-/udp2raw/blob/master/doc/build_guide.md)
 
 the above aticle is a bit outdated, see [tinyportMapper how-to-build](https://github.com/wangyu-/tinyPortMapper/wiki/How-to-build) as well.
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