diff --git a/synapse/config/auth.py b/synapse/config/auth.py

index 53809cee2e..ba8bf9cbe7 100644
--- a/synapse/config/auth.py
+++ b/synapse/config/auth.py
@@ -88,7 +88,7 @@ class AuthConfig(Config):
               #
               #require_lowercase: true
 
-              # Whether a password must contain at least one lowercase letter.
+              # Whether a password must contain at least one uppercase letter.
               # Defaults to 'false'.
               #
               #require_uppercase: true