diff --git a/docs/source/customize.rst b/docs/source/customize.rst
index 01fee53..1724882 100644
--- a/docs/source/customize.rst
+++ b/docs/source/customize.rst
@@ -13,20 +13,29 @@ Input Options
 =============
 
 ``spelling_lang='en_US'``
+
   String specifying the language, as understood by PyEnchant and
   enchant.  Defaults to ``en_US`` for US English.
+
 ``tokenizer_lang='en_US'``
+
     String specifying the tokenizer language as understood by PyEnchant
     and enchant. Defaults to ``en_US`` for US English.
+
 ``spelling_word_list_filename='spelling_wordlist.txt'``
+
   String specifying a file containing a list of words known to be
   spelled correctly but that do not appear in the language dictionary
   selected by ``spelling_lang``.  The file should contain one word per
   line. Refer to the `PyEnchant tutorial`_ for details. Use a list to add
   multiple files.
+
 ``spelling_word_list_filename=['spelling_wordlist.txt','another_list.txt']``
+
   Same as above, but with several files of correctly spelled words.
+
 ``spelling_exclude_patterns=['ignored_*']``
+
   A list of glob-style patterns that should be ignored when checking spelling.
   They are matched against the source file names relative to the source
   directory, using slashes as directory separators on all platforms. See Sphinx's
@@ -41,10 +50,12 @@ Output Options
 ==============
 
 ``spelling_show_suggestions=False``
+
   Boolean controlling whether suggestions for misspelled words are
   printed.  Defaults to False.
 
 ``spelling_show_whole_line=True``
+
   Boolean controlling whether the contents of the line containing each
   misspelled word is printed, for more context about the location of each
   word.  Defaults to True.
@@ -65,30 +76,43 @@ Enable or disable the built-in filters to control which words are
 returned by the tokenizer to be checked.
 
 ``spelling_ignore_pypi_package_names=False``
+
   Boolean controlling whether words that look like package names from
   PyPI are treated as spelled properly. When ``True``, the current
   list of package names is downloaded at the start of the build and
   used to extend the list of known words in the dictionary. Defaults
   to ``False``.
+
 ``spelling_ignore_wiki_words=True``
+
   Boolean controlling whether words that follow the CamelCase
   conventions used for page names in wikis should be treated as
   spelled properly. Defaults to ``True``.
+
 ``spelling_ignore_acronyms=True``
+
   Boolean controlling treatment of words that appear in all capital
   letters, or all capital letters followed by a lower case ``s``. When
   ``True``, acronyms are assumed to be spelled properly. Defaults to
   ``True``.
+
 ``spelling_ignore_python_builtins=True``
+
   Boolean controlling whether names built in to Python should be
   treated as spelled properly. Defaults to ``True``.
+
 ``spelling_ignore_importable_modules=True``
+
   Boolean controlling whether words that are names of modules found on
   ``sys.path`` are treated as spelled properly. Defaults to ``True``.
+
 ``spelling_ignore_contributor_names=True``
+
   Boolean controlling whether contributor names taken from the git
   history for the repository are considered as spelled correctly.
+
 ``spelling_filters=[]``
+
   List of importable filter classes to be added to the tokenizer that
   produces words to be checked. For example,
   ``["enchant.tokenize.MentionFilter"]``.  The classes should be