Update book.json

amakarudze · web-flow · commit e8aed8d26b03 · 2018-03-30T15:21:30.000+02:00
diff --git a/book.json b/book.json
@@ -32,10 +32,10 @@
             "grid-columns": 3
         },
         "sidebar-ad": {
-            "imageUrl": "https://c1.iggcdn.com/indiegogo-media-prod-cld/image/upload/c_fill,f_auto,h_440,w_704/v1512071903/g1gct4awp2llvhjtcgma.png",
-            "url": "https://www.generosity.com/community-fundraising/django-girls-fundraising-campaign/",
-            "description": "💖 Support our fund-raiser! ✨",
-            "btnText": "Donate!"
+            "imageUrl": "https://djangogirls.org/static/img/global/tshirt.png",
+            "url": "https://store.djangogirls.org/",
+            "description": "💖 Support us. Buy a T-shirt! ✨",
+            "btnText": "Buy now!"
         },
         "sectionx": {
             "tag": "b"
