added link to documentation
diff --git a/.asf.yaml b/.asf.yaml
index 48bdb68..79af180 100644
--- a/.asf.yaml
+++ b/.asf.yaml
@@ -1,3 +1,4 @@
+# see https://s.apache.org/asfyaml
 github:
   description: "Apache Maven Sources"
   homepage: https://maven.apache.org/scm.html