diff --git a/pyguide.html b/pyguide.html
index 719b52648..6987f2b68 100644
--- a/pyguide.html
+++ b/pyguide.html
@@ -1,4 +1,4 @@
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+<HTML xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcq="http://purl.org/dc/qualifiers/1.0/" xmlns:fo="http://www.w3.org/1999/XSL/Format" xmlns:fn="http://www.w3.org/2005/xpath-functions">
 <HEAD>
 <TITLE>Google Python Style Guide</TITLE>
 <META http-equiv="Content-Type" content="text/html; charset=utf-8">
