Added W504 code to docs

1 files changed, 6 insertions, 4 deletions

diff --git a/docs/intro.rst b/docs/intro.rst
index 0f5132b..c86d421 100644
--- a/docs/intro.rst
+++ b/docs/intro.rst
@@ -398,6 +398,8 @@ This is the current list of error and warning codes:
 +------------+----------------------------------------------------------------------+
 | W503 (*)   | line break occurred before a binary operator                         |
 +------------+----------------------------------------------------------------------+
+| W504 (*)   | line break occurred after a binary operator                          |
++------------+----------------------------------------------------------------------+
 +------------+----------------------------------------------------------------------+
 | **W6**     | *Deprecation warning*                                                |
 +------------+----------------------------------------------------------------------+
@@ -412,10 +414,10 @@ This is the current list of error and warning codes:
 
 
 **(*)** In the default configuration, the checks **E121**, **E123**, **E126**,
-**E133**, **E226**, **E241**, **E242**, **E704** and **W503** are ignored because
-they are not rules unanimously accepted, and `PEP 8`_ does not enforce them.  The
-check **E133** is mutually exclusive with check **E123**.  Use switch ``--hang-
-closing`` to report **E133** instead of **E123**.
+**E133**, **E226**, **E241**, **E242**, **E704**, **W503** and **W504** are
+**ignored because they are not rules unanimously accepted, and `PEP 8`_ does not
+**enforce them.  The check **E133** is mutually exclusive with check **E123**.
+**Use switch ``--hang- closing`` to report **E133** instead of **E123**.
 
 **(^)** These checks can be disabled at the line level using the ``# noqa``
 special comment.  This possibility should be reserved for special cases.