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+:mod:`sphinx.ext.coverage` -- Collect doc coverage stats
+========================================================
+
+.. module:: sphinx.ext.coverage
+   :synopsis: Check Python modules and C API for coverage in the documentation.
+
+This extension features one additional builder, the :class:`CoverageBuilder`.
+
+.. class:: CoverageBuilder
+
+   To use this builder, activate the coverage extension in your configuration
+   file and give ``-b coverage`` on the command line.
+
+.. todo:: Write this section.
+
+Several configuration values can be used to specify what the builder
+should check:
+
+.. confval:: coverage_ignore_modules
+
+.. confval:: coverage_ignore_functions
+
+.. confval:: coverage_ignore_classes
+
+.. confval:: coverage_ignore_pyobjects
+
+   List of `Python regular expressions`_.
+
+   If any of these regular expressions matches any part of the full import path
+   of a Python object, that Python object is excluded from the documentation
+   coverage report.
+
+   .. versionadded:: 2.1
+
+.. confval:: coverage_c_path
+
+.. confval:: coverage_c_regexes
+
+.. confval:: coverage_ignore_c_items
+
+.. confval:: coverage_write_headline
+
+   Set to ``False`` to not write headlines.
+
+   .. versionadded:: 1.1
+
+.. confval:: coverage_skip_undoc_in_source
+
+   Skip objects that are not documented in the source with a docstring.
+   ``False`` by default.
+
+   .. versionadded:: 1.1
+
+.. confval:: coverage_show_missing_items
+
+   Print objects that are missing to standard output also.
+   ``False`` by default.
+
+   .. versionadded:: 3.1
+
+.. _Python regular expressions: https://docs.python.org/library/re