Mention toml support in documentation.

Author: RazerM

CHANGES.rst

@@ -45,11 +45,14 @@ Unreleased
   plugins, but now it does, closing `issue 834`_.
 
 
+- Added TOML configuration support, including pyproject.toml `issue 664`_.
+
 .. _issue 720: https://github.com/nedbat/coveragepy/issues/720
 .. _issue 822: https://github.com/nedbat/coveragepy/issues/822
 .. _issue 834: https://github.com/nedbat/coveragepy/issues/834
 .. _issue 829: https://github.com/nedbat/coveragepy/issues/829
 .. _issue 846: https://github.com/nedbat/coveragepy/issues/846
+.. _issue 664: https://github.com/nedbat/coveragepy/issues/664
 
 
 .. _changes_50a6:

coverage/cmdline.py

@@ -146,8 +146,8 @@ class Opts(object):
         '', '--rcfile', action='store',
         help=(
             "Specify configuration file. "
-            "By default '.coveragerc', 'setup.cfg' and 'tox.ini' are tried. "
-            "[env: COVERAGE_RCFILE]"
+            "By default '.coveragerc', 'pyproject.toml', 'setup.cfg' and "
+            "'tox.ini' are tried. [env: COVERAGE_RCFILE]"
         ),
     )
     source = optparse.make_option(

doc/config.rst

@@ -29,7 +29,10 @@ Coverage.py will read settings from other usual configuration files if no other
 configuration file is used.  It will automatically read from "setup.cfg" or
 "tox.ini" if they exist.  In this case, the section names have "coverage:"
 prefixed, so the ``[run]`` options described below will be found in the
-``[coverage:run]`` section of the file.
+``[coverage:run]`` section of the file. If Coverage.py is installed with the
+``toml`` extra (``pip install coverage[toml]``), it will automatically read
+from "pyproject.toml". Configuration must be within the `[tool.coverage]`
+section, e.g. ``[tool.coverage.run]`.
 
 
 Syntax