Fixed typo in docs/ref/models/options.txt

docs/ref/models/options.txt

@@ -192,7 +192,7 @@ Django quotes column and table names behind the scenes.
 .. admonition:: Changing order_with_respect_to
 
         ``order_with_respect_to`` adds an additional field/database column
-        named ``_order``, so be sure to make and apply the appropriate 
+        named ``_order``, so be sure to make and apply the appropriate
         migrations if you add or change ``order_with_respect_to``
         after your initial :djadmin:`migrate`.
 
@@ -266,7 +266,7 @@ Django quotes column and table names behind the scenes.
     Determines if Django will use the pre-1.6
     :meth:`django.db.models.Model.save()` algorithm. The old algorithm
     uses ``SELECT`` to determine if there is an existing row to be updated.
-    The new algorith tries an ``UPDATE`` directly. In some rare cases the
+    The new algorithm tries an ``UPDATE`` directly. In some rare cases the
     ``UPDATE`` of an existing row isn't visible to Django. An example is the
     PostgreSQL ``ON UPDATE`` trigger which returns ``NULL``. In such cases the
     new algorithm will end up doing an ``INSERT`` even when a row exists in