diff --git a/README.rst b/README.rst
index dec14fa..d8cfbe4 100644
--- a/README.rst
+++ b/README.rst
@@ -55,7 +55,7 @@ Redis (default)
 
 ::
 
-    CONSTANCE_BACKEND = constance.backends.redisd.RedisBackend
+    CONSTANCE_BACKEND = 'constance.backends.redisd.RedisBackend'
 
 The is the default backend and has a couple of options: