Fixed grammatical typos in gis docs.

docs/ref/contrib/gis/geoquerysets.txt

@@ -11,10 +11,7 @@ GeoQuerySet API Reference
 Spatial Lookups
 ===============
 
-Just like when using the :ref:`queryset-api`, interaction
-with ``GeoQuerySet`` by :ref:`chaining filters <chaining-filters>`.
-Instead of the regular Django :ref:`field-lookups`, the
-spatial lookups in this section are available for :class:`GeometryField`.
+The spatial lookups in this section are available for :class:`GeometryField`.
 
 For an introduction, see the :ref:`spatial lookups introduction
 <spatial-lookups-intro>`.  For an overview of what lookups are
@@ -294,7 +291,7 @@ SpatiaLite SQL equivalent::
 Oracle
 ~~~~~~
 
-Here the relation pattern is comprised at least one of the nine relation
+Here the relation pattern is comprised of at least one of the nine relation
 strings: ``TOUCH``, ``OVERLAPBDYDISJOINT``, ``OVERLAPBDYINTERSECT``,
 ``EQUAL``, ``INSIDE``, ``COVEREDBY``, ``CONTAINS``, ``COVERS``, ``ON``, and
 ``ANYINTERACT``.   Multiple strings may be combined with the logical Boolean

docs/ref/contrib/gis/install/index.txt

@@ -94,7 +94,7 @@ Add ``django.contrib.gis`` to :setting:`INSTALLED_APPS`
 
 Like other Django contrib applications, you will *only* need to add
 :mod:`django.contrib.gis` to :setting:`INSTALLED_APPS` in your settings.
-This is the so that ``gis`` templates can be located -- if not done, then
+This is so that the ``gis`` templates can be located -- if not done, then
 features such as the geographic admin or KML sitemaps will not function properly.
 
 Troubleshooting