diff --git a/spf.py b/spf.py
index a7860e2..9c674f2 100755
--- a/spf.py
+++ b/spf.py
@@ -1744,7 +1744,7 @@ def quote_value(s):
     >>> quote_value('abc"def')
     '"abc\\\\"def"'
 
-    >>> quote_value(r'abc\def')
+    >>> quote_value(r'abc\\def')
     '"abc\\\\\\\\def"'
 
     >>> quote_value('abc..def')