diff --git a/nose/config.py b/nose/config.py
index 5997aaf7..96fe0bf6 100644
--- a/nose/config.py
+++ b/nose/config.py
@@ -139,7 +139,7 @@ def parseArgsAndConfigFiles(self, args, config_files):
 
 
 class Config(object):
-    """nose configuration.
+    r"""nose configuration.
 
     Instances of Config are used throughout nose to configure
     behavior, including plugin lists. Here are the default values for