Fix another invalid \s escale sequence

diff --git a/jinja2/ext.py b/jinja2/ext.py
index 03c63e16f79a632515474fc30f15f5075c7a213f..75e1f3b625e88276adec819c9b02b4f3196e4efd 100644 (file)
--- a/jinja2/ext.py
+++ b/jinja2/ext.py
@@ -87,7 +87,7 @@ class Extension(with_metaclass(ExtensionRegistry, object)):
     def filter_stream(self, stream):
         """It's passed a :class:`~jinja2.lexer.TokenStream` that can be used
         to filter tokens returned.  This method has to return an iterable of
-        :class:`~jinja2.lexer.Token`\s, but it doesn't have to return a
+        :class:`~jinja2.lexer.Token`\\s, but it doesn't have to return a
         :class:`~jinja2.lexer.TokenStream`.
 
         In the `ext` folder of the Jinja2 source distribution there is a file