diff --git a/roles/set-tempest-config/README.rst b/roles/set-tempest-config/README.rst
new file mode 100644
index 0000000..9402d3c
--- /dev/null
+++ b/roles/set-tempest-config/README.rst
@@ -0,0 +1,19 @@
+set-tempest-config
+==================
+
+This is a workaround for the `merge_config_file <https://opendev
+.org/openstack/devstack/src/commit/76d7d7c90c3979c72404fddd31ee884c8bfdb1ec
+/inc/meta-config#L82>`_ routine that doesn't working correctly on jobs based on
+the "devstack-minimal" profile.
+
+**Role Variables**
+
+.. zuul:rolevar:: devstack_base_dir
+   :default: /opt/stack
+
+   The devstack base directory.
+
+.. zuul:rolevar:: devstack_local_conf_path
+   :default: "{{ devstack_base_dir }}/devstack/local.conf"
+
+   Where to find the local.conf file