minor #4944 Fix formatting (ifdattic)

This PR was squashed before being merged into the 2.5 branch (closes #4944).

Discussion
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Fix formatting

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | 2.5
| Fixed tickets |

Commits
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6572fea Fix formatting

components/http_foundation/introduction.rst

@@ -250,8 +250,8 @@ by using the following methods:
 :method:`Symfony\\Component\\HttpFoundation\\Request::getCharsets`
     Returns the list of accepted charsets ordered by descending quality.
 
-* :method:`Symfony\\Component\\HttpFoundation\\Request::getEncodings`:
-  returns the list of accepted charsets ordered by descending quality;
+:method:`Symfony\\Component\\HttpFoundation\\Request::getEncodings`
+    Returns the list of accepted encodings ordered by descending quality.
 
   .. versionadded:: 2.4
       The ``getEncodings()`` method was introduced in Symfony 2.4.