[1.2.X] Fixed a couple of documentation typos.

Backport of [15534] from trunk

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@15535 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/howto/custom-management-commands.txt

@@ -95,8 +95,8 @@ default options such as :djadminopt:`--verbosity` and :djadminopt:`--traceback`.
 
     The :meth:`BaseCommand.execute` method sets the hardcoded ``en-us`` locale
     because the commands shipped with Django perform several tasks
-    (for example, user-visible content and database population) that require
-    a system-neutral string language (for which we use ``en-us``).
+    (for example, user-facing content rendering and database population) that
+    require a system-neutral string language (for which we use ``en-us``).
 
     If your custom management command uses another locale, you should manually
     activate and deactivate it in your :meth:`~BaseCommand.handle` or

docs/ref/contrib/admin/index.txt

@@ -1207,7 +1207,7 @@ on whichever model contains the actual reference to the ``ManyToManyField``.
 Depending on your ``ModelAdmin`` definition, each many-to-many field in your
 model will be represented by a standard HTML ``<select multiple>``, a
 horizontal or vertical filter, or a ``raw_id_admin`` widget. However, it is
-also possible to to replace these widgets with inlines.
+also possible to replace these widgets with inlines.
 
 Suppose we have the following models::
 

docs/ref/contrib/gis/admin.txt

@@ -50,7 +50,7 @@ GeoDjango's admin site
 
    .. attribute:: modifiable
 
-   Defaults to ``False``.  When set to to ``True``, disables editing of
+   Defaults to ``False``.  When set to ``True``, disables editing of
    existing geometry fields in the admin.
 
    .. note::