Change copyright year in NOTICE

sirthias · sirthias · commit c0904be12496 · 2011-02-11T11:31:11.000+01:00
diff --git a/NOTICE b/NOTICE
@@ -1,5 +1,5 @@
 pegdown
-Copyright (C) 2010 Mathias Doenitz
+Copyright (C) 2010-2011 Mathias Doenitz
 
 Based on peg-markdown - markdown in c, implemented using PEG grammar
 Copyright (c) 2008 John MacFarlane (https://github.com/jgm/peg-markdown)
