diff --git a/README.md b/README.md
index 990523e..c00fc47 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
+# The Mapper
+This repository contains the mapper, which assists in finding things on D-Bus.
+There is documentation about it [here][1].
+
 ## Prerequisites
 Non-OpenBMC build dependencies are:
  - meson/ninja
@@ -14,3 +18,5 @@
 
 ## Clean the repository
 `rm -rf build`
+
+[1]: https://github.com/openbmc/docs/blob/master/architecture/object-mapper.md