diff --git a/rhodecode/authentication/routes.py b/rhodecode/authentication/routes.py
--- a/rhodecode/authentication/routes.py
+++ b/rhodecode/authentication/routes.py
@@ -128,7 +128,7 @@ class AuthnRootResource(AuthnResourceBas
         # Allow plugin resources with identical names by rename duplicates.
         unique_name = _ensure_unique_name(resource.__name__)
         if unique_name != resource.__name__:
-            log.warn('Name collision for traversal resource "%s" registered',
+            log.warn('Name collision for traversal resource "%s" registered '
                      'by authentication plugin "%s"', resource.__name__,
                      plugin_id)
             resource.__name__ = unique_name