diff --git a/docs/Modules.rst b/docs/Modules.rst
index 7a9cdc7..e1156a6 100644
--- a/docs/Modules.rst
+++ b/docs/Modules.rst
@@ -151,6 +151,10 @@
 ===================
 TBD
 
+In the meantime, you can look at ``clang/lib/Headers/module.map``, and all
+the ``module.map`` files in ``clang/test/``.
+In particular, ``clang/test/Modules/`` contains tests specifically related
+to the modules functionality.
 
 .. [#] Automatic linking against the libraries of modules requires specific linker support, which is not widely available.