minor #5293 [Translation] Add note about how to override translation in chi… (zebba)

This PR was merged into the 2.3 branch.

Discussion
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[Translation] Add note about how to override translation in chi…

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | 2.3+
| Fixed tickets | #5193

Commits
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32d8203 Update override.rst
f91e424 Update override.rst
13e3351 Update override.rst
b80f46b [WIP] [Translation] Add note about how to override translation in child Bundle

Author: weaverryan

cookbook/bundles/override.rst

@@ -191,8 +191,11 @@ can override the translations from any translation file, as long as it is in
     The last translation file always wins. That means that you need to make
     sure that the bundle containing *your* translations is loaded after any
     bundle whose translations you're overriding. This is done in ``AppKernel``.
+    Translation files are not aware of the inheritance tree and therefore
+    unaware of their parent. If you want to override translations from the
+    parent bundle, be sure that the parent bundle is loaded before the child
+    bundle in the ``AppKernel`` class.
 
     The file that always wins is the one that is placed in
     ``app/Resources/translations``, as those files are always loaded last.
-
 .. _`the Doctrine documentation`: http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/inheritance-mapping.html#overrides