diff --git a/matemat/webserver/httpd.py b/matemat/webserver/httpd.py
index 3215ad2..2bae715 100644
--- a/matemat/webserver/httpd.py
+++ b/matemat/webserver/httpd.py
@@ -34,7 +34,8 @@ _PAGELET_PATHS: Dict[str, Callable[[str,  # HTTP method (GET, POST, ...)
                                     RequestArguments,  # HTTP Request arguments
                                     Dict[str, Any],  # Session vars
                                     Dict[str, str]],  # Response headers
-                                   Tuple[int, Optional[Union[bytes, str]]]]] = dict()  # Returns: (status code, response body)
+                                   # Returns: (status code, response body)
+                                   Tuple[int, Optional[Union[bytes, str]]]]] = dict()
 
 
 # Inactivity timeout for client sessions