diff --git a/kallithea/controllers/error.py b/kallithea/controllers/error.py
--- a/kallithea/controllers/error.py
+++ b/kallithea/controllers/error.py
@@ -41,11 +41,8 @@ log = logging.getLogger(__name__)
 class ErrorController(BaseController):
     """Generates error documents as and when they are required.
 
-    The ErrorDocuments middleware forwards to ErrorController when error
+    The errorpage middleware renders /error/document when error
     related status codes are returned from the application.
-
-    This behavior can be altered by changing the parameters to the
-    ErrorDocuments middleware in your config/middleware.py file.
     """
 
     def _before(self, *args, **kwargs):
diff --git a/kallithea/controllers/root.py b/kallithea/controllers/root.py
--- a/kallithea/controllers/root.py
+++ b/kallithea/controllers/root.py
@@ -31,5 +31,5 @@ class RootController(RoutedController, B
     def __init__(self):
         self.mapper = make_map(config)
 
-        # the following assignment hooks in error handling
+        # The URL '/error/document' (the default TG errorpage.path) should be handled by ErrorController.document
         self.error = ErrorController()