update unicode link
diff --git a/Doc/reference/lexical_analysis.rst b/Doc/reference/lexical_analysis.rst
index c20c47e..65f8ffd 100644
--- a/Doc/reference/lexical_analysis.rst
+++ b/Doc/reference/lexical_analysis.rst
@@ -718,4 +718,4 @@
 
 .. rubric:: Footnotes
 
-.. [#] http://www.unicode.org/Public/6.0.0/ucd/NameAliases.txt
+.. [#] http://www.unicode.org/Public/6.1.0/ucd/NameAliases.txt