Index: docs/CodingStandards.rst
===================================================================
--- docs/CodingStandards.rst
+++ docs/CodingStandards.rst
@@ -321,7 +321,9 @@
 be inferred from the API name.  The first sentence (or a paragraph beginning
 with ``\brief``) is used as an abstract. Try to use a single sentence as the
 ``\brief`` adds visual clutter.  Put detailed discussion into separate
-paragraphs.
+paragraphs. Avoid duplicating documentation for overridden methods. When
+extending documentation from the superclass, the ``\copydoc name`` command can
+be used.
 
 To refer to parameter names inside a paragraph, use the ``\p name`` command.
 Don't use the ``\arg name`` command since it starts a new paragraph that