diff --git a/BUILDING.md b/BUILDING.md
index 85e9ccef2365e7..32cc5fc260d561 100644
--- a/BUILDING.md
+++ b/BUILDING.md
@@ -273,9 +273,9 @@ $ ./configure
 $ make -j4
 ```
 
-We can speed up the builds by using Ninja. For more information, see the
-[Building Node.js with Ninja](doc/contributing/building-node-with-ninja.md)
-document.
+We can speed up the builds by using [Ninja](https://ninja-build.org/). For more
+information, see
+[Building Node.js with Ninja](doc/contributing/building-node-with-ninja.md).
 
 The `-j4` option will cause `make` to run 4 simultaneous compilation jobs which
 may reduce build time. For more information, see the