[1.5.x] Fixed two typos.

    Don't forget to put quotes around the function path or pattern name!

    .. versionchanged:: 1.5

        The first paramater used not to be quoted, which was inconsistent with

        The first parameter used not to be quoted, which was inconsistent with

        other template tags. Since Django 1.5, it is evaluated according to

        the usual rules: it can be a quoted string or a variable that will be

        looked up in the context.

        # treated differently than fields.

        for k in kwargs:

            assert k in [f.attname for f in self._meta.fields], \

                "Author.__init__ got an unexpected paramater: %s" % k

                "Author.__init__ got an unexpected parameter: %s" % k

class Book(models.Model):

    title = models.CharField(max_length=255)