diff --git a/Lib/HTMLParser.py b/Lib/HTMLParser.py
index e0189011d11..884d2a53c52 100644
--- a/Lib/HTMLParser.py
+++ b/Lib/HTMLParser.py
@@ -99,7 +99,7 @@ class HTMLParser(markupbase.ParserBase):
markupbase.ParserBase.reset(self)
def feed(self, data):
- """Feed data to the parser.
+ r"""Feed data to the parser.
Call this as often as you want, with as little or as much text
as you want (may include '\n').