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-rw-r--r--doc/CONTRIBUTING.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/CONTRIBUTING.rst b/doc/CONTRIBUTING.rst
index a06068142..7eb7e0e04 100644
--- a/doc/CONTRIBUTING.rst
+++ b/doc/CONTRIBUTING.rst
@@ -167,6 +167,10 @@ that Kolla uses throughout that should be followed.
- For infrastructure services there should be an entry in the list
``Infrastructure components`` in the ``README.rst`` file.
+* Syntax
+
+ - All YAML data files should start with three dashes (``---``).
+
Other than the above, most roles follow the following pattern:
- ``Register``: Involves registering the service with Keystone, creating endpoints, roles,