Update donation text in email and receipt page

lms/djangoapps/shoppingcart/models.py

@@ -975,10 +975,10 @@ class Donation(OrderItem):
 
         """
         return _(
+            u"We greatly appreciate this generous contribution and your support of the {platform_name} mission.  "
             u"This receipt was prepared to support charitable contributions for tax purposes.  "
-            u"Gifts are tax deductible as permitted by law.  "
             u"We confirm that neither goods nor services were provided in exchange for this gift."
-        )
+        ).format(platform_name=settings.PLATFORM_NAME)
 
     @classmethod
     def _line_item_description(self, course_id=None):
@@ -1010,4 +1010,4 @@ class Donation(OrderItem):
 
         # The donation is for the organization as a whole, not a specific course
         else:
-            return _(u"Donation")
+            return _(u"Donation for {platform_name}").format(platform_name=settings.PLATFORM_NAME)

lms/djangoapps/shoppingcart/tests/test_models.py

@@ -578,7 +578,7 @@ class DonationTest(ModuleStoreTestCase):
             donation,
             donation_type="general",
             unit_cost=self.COST,
-            line_desc="Donation"
+            line_desc="Donation for edX"
         )
 
     def test_donate_to_course(self):
@@ -605,7 +605,7 @@ class DonationTest(ModuleStoreTestCase):
         self.assertEqual(len(mail.outbox), 1)
         email = mail.outbox[0]
         self.assertEquals('Order Payment Confirmation', email.subject)
-        self.assertIn("tax deductible", email.body)
+        self.assertIn("tax purposes", email.body)
 
     def test_donate_no_such_course(self):
         fake_course_id = CourseLocator(org="edx", course="fake", run="course")

lms/djangoapps/shoppingcart/tests/test_views.py

@@ -900,7 +900,7 @@ class DonationViewTest(ModuleStoreTestCase):
 
     def test_donation_for_org(self):
         self._donate(self.DONATION_AMOUNT)
-        self._assert_receipt_contains("tax deductible")
+        self._assert_receipt_contains("tax purposes")
 
     def test_donation_for_course_receipt(self):
         # Create a test course and donate to it
@@ -908,7 +908,7 @@ class DonationViewTest(ModuleStoreTestCase):
         self._donate(self.DONATION_AMOUNT, course_id=self.course.id)
 
         # Verify the receipt page
-        self._assert_receipt_contains("tax deductible")
+        self._assert_receipt_contains("tax purposes")
         self._assert_receipt_contains(self.course.display_name)
 
     def test_smallest_possible_donation(self):