fixed typo
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 2b9b937..4fa2791 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -58,7 +58,7 @@
 <h1>Change Log</h1>
 
 <h2>Version 2.0.0</h2>
-<p>Release Date: January 28, 2001<br />
+<p>Release Date: January 28, 2011<br />
 Hg Tag: v2.0.0</p>
 
 <ul>