update norobots link
diff --git a/Doc/lib/librobotparser.tex b/Doc/lib/librobotparser.tex
index 8bf1ae8..5eac528 100644
--- a/Doc/lib/librobotparser.tex
+++ b/Doc/lib/librobotparser.tex
@@ -15,7 +15,7 @@
questions about whether or not a particular user agent can fetch a URL on
the Web site that published the \file{robots.txt} file. For more details on
the structure of \file{robots.txt} files, see
-\url{http://info.webcrawler.com/mak/projects/robots/norobots.html}.
+\url{http://www.robotstxt.org/wc/norobots.html}.
\begin{classdesc}{RobotFileParser}{}