diff --git a/ops/monitoring/lib/grafonnet/README.hscloud b/ops/monitoring/lib/grafonnet/README.hscloud
new file mode 100644
index 0000000..5b86f96
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+++ b/ops/monitoring/lib/grafonnet/README.hscloud
@@ -0,0 +1,7 @@
+This subpath (//ops/monitoring/lib/grafonnet) comes from the following Git repository:
+
+    repository: https://github.com/grafana/grafonnet-lib.git
+    revision: ff69572caf78c3163980d0d723c85a722eab73d9
+    subpath: grafonnet-7.0
+
+The files contained in this subdirectory are license under the Apache 2.0 License (see //third_party/licenses/Apache-2.0.txt).