Updated documentation, included D404 in our self-test.

Author: Nurdok

docs/error_codes.rst

@@ -15,4 +15,4 @@ check only error codes that are part of the `PEP257
 <http://www.python.org/dev/peps/pep-0257/>`_ official convention.
 
 All of the above error codes are checked for by default except for D203,
-D212 and D213.
+D212, D213 and D404.

docs/release_notes.rst

@@ -7,10 +7,17 @@ Release Notes
 Current Development Version
 ---------------------------
 
+New Features
+
 * Added the optional error codes D212 and D213, for checking whether
   the summary of a multi-line docstring starts at the first line,
   respectively at the second line (#174).
 
+* Added D404 - First word of the docstring should not be `This`. It is turned
+  off by default (#183).
+
+Bug Fixes
+
 * The error code D300 is now also being reported if a docstring has
   uppercase literals (``R`` or ``U``) as prefix (#176).
 

tox.ini

@@ -28,3 +28,4 @@ addopts = -rw
 [pep257]
 inherit = false
 convention = pep257
+add-select = D404