1 files changed, 4 insertions, 1 deletions
diff --git a/synapse/config/repository.py b/synapse/config/repository.py
index 25ea77738a..fc909c1fac 100644
--- a/synapse/config/repository.py
+++ b/synapse/config/repository.py
@@ -13,11 +13,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from ._base import Config, ConfigError
 from collections import namedtuple
 
 from synapse.util.module_loader import load_module
 
+from ._base import Config, ConfigError
 
 MISSING_NETADDR = (
     "Missing netaddr library. This is required for URL preview API."
@@ -250,6 +250,9 @@ class ContentRepositoryConfig(Config):
         # - '192.168.0.0/16'
         # - '100.64.0.0/10'
         # - '169.254.0.0/16'
+        # - '::1/128'
+        # - 'fe80::/64'
+        # - 'fc00::/7'
         #
         # List of IP address CIDR ranges that the URL preview spider is allowed
         # to access even if they are specified in url_preview_ip_range_blacklist.