diff --git a/other-requirements.txt b/other-requirements.txt
index d7163d8f..13b92303 100644
--- a/other-requirements.txt
+++ b/other-requirements.txt
@@ -1,3 +1,6 @@
+# This is a cross-platform list tracking distribution packages needed by tests;
+# see http://docs.openstack.org/infra/bindep/ for additional information.
+
 gettext
 libxml2-dev [platform:dpkg]
 libxml2-devel [platform:rpm]