minor symfony#4046 Fixed a minor syntax error (javiereguiluz)

This PR was merged into the 2.3 branch.

Discussion
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Fixed a minor syntax error

The nested list is wrongly displayed as a blockquote:

![syntax_error](https://cloud.githubusercontent.com/assets/73419/3673941/088aa490-1272-11e4-9c0c-377100e3a2ff.png)

Commits
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b3c6b87 Fixed a minor syntax error

Author: weaverryan

contributing/documentation/standards.rst

@@ -146,12 +146,11 @@ Language Standards
   point of view: use the second instead);
 * When referencing a hypothetical person, such as "a user with a session cookie", gender-neutral
   pronouns (they/their/them) should be used. For example, instead of:
-
-   * he or she, use they
-   * him or her, use them
-   * his or her, use their
-   * his or hers, use theirs
-   * himself or herself, use themselves
+  * he or she, use they
+  * him or her, use them
+  * his or her, use their
+  * his or hers, use theirs
+  * himself or herself, use themselves
 
 .. _`the Sphinx documentation`: http://sphinx-doc.org/rest.html#source-code
 .. _`Twig Coding Standards`: http://twig.sensiolabs.org/doc/coding_standards.html