1 files changed, 2 insertions, 2 deletions
diff --git a/synapse/config/registration.py b/synapse/config/registration.py
index b49e6609ce..1f441107b3 100644
--- a/synapse/config/registration.py
+++ b/synapse/config/registration.py
@@ -243,9 +243,9 @@ class RegistrationConfig(Config):
         #
         #allowed_local_3pids:
         #  - medium: email
-        #    pattern: '.*@matrix\\.org'
+        #    pattern: '^[^@]+@matrix\\.org$'
         #  - medium: email
-        #    pattern: '.*@vector\\.im'
+        #    pattern: '^[^@]+@vector\\.im$'
         #  - medium: msisdn
         #    pattern: '\\+44'