diff --git a/changelog.d/6273.doc b/changelog.d/6273.doc
new file mode 100644
index 0000000000000000000000000000000000000000..21a41d987d64ae8a579fcbfe0d26c42da7b6f8fc
--- /dev/null
+++ b/changelog.d/6273.doc
@@ -0,0 +1 @@
+Fix a small typo in `account_threepid_delegates` configuration option.
\ No newline at end of file
diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml
index 6c81c0db756cbe774e0eeb889601db8d65c2477e..d2f4aff82697d59739408618ca1949ceca7f4a55 100644
--- a/docs/sample_config.yaml
+++ b/docs/sample_config.yaml
@@ -955,7 +955,7 @@ uploads_path: "DATADIR/uploads"
 # If a delegate is specified, the config option public_baseurl must also be filled out.
 #
 account_threepid_delegates:
-    #email: https://example.com     # Delegate email sending to example.org
+    #email: https://example.com     # Delegate email sending to example.com
     #msisdn: http://localhost:8090  # Delegate SMS sending to this local process
 
 # Users who register on this homeserver will automatically be joined
diff --git a/synapse/config/registration.py b/synapse/config/registration.py
index ab41623b2ba2e955215e52eddd8e9ac53de48dc2..1f6dac69da008e66adbd4071872747cb2d76a3f9 100644
--- a/synapse/config/registration.py
+++ b/synapse/config/registration.py
@@ -300,7 +300,7 @@ class RegistrationConfig(Config):
         # If a delegate is specified, the config option public_baseurl must also be filled out.
         #
         account_threepid_delegates:
-            #email: https://example.com     # Delegate email sending to example.org
+            #email: https://example.com     # Delegate email sending to example.com
             #msisdn: http://localhost:8090  # Delegate SMS sending to this local process
 
         # Users who register on this homeserver will automatically be joined