bug #4164 Fixed minor typos. (ahsio)

This PR was merged into the 2.3 branch.

Discussion
----------

Fixed minor typos.

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | all (or 2.3+)
| Fixed tickets |

Commits
-------

da441ae Fixed minor typos.

Author: weaverryan

components/translation/introduction.rst

@@ -90,7 +90,7 @@ Loader too. The default loaders are:
 
 .. versionadded:: 2.1
     The ``IcuDatFileLoader``, ``IcuResFileLoader``, ``IniFileLoader``,
-    ``MofileLoader``, ``PoFileLoader`` and ``QtFileLoader`` were introduced
+    ``MoFileLoader``, ``PoFileLoader`` and ``QtFileLoader`` were introduced
     in Symfony 2.1.
 
 All file loaders require the :doc:`Config component </components/config/index>`.

reference/forms/types/options/inherit_data.rst.inc

@@ -8,5 +8,5 @@ inherit_data
 **type**: ``boolean`` **default**: ``false``
 
 This option determines if the form will inherit data from its parent form.
-This can be useful is you have a set of fields that are duplicated across
+This can be useful if you have a set of fields that are duplicated across
 multiple forms. See :doc:`/cookbook/form/inherit_data_option`.