update Prev/Next Topic link on user_guide/libraries/caching.html
diff --git a/user_guide/libraries/caching.html b/user_guide/libraries/caching.html
index 3fa9fa6..7e13392 100644
--- a/user_guide/libraries/caching.html
+++ b/user_guide/libraries/caching.html
@@ -180,11 +180,11 @@
<div id="footer">
<p>
-Previous Topic: <a href="errors.html">Error Handling</a>
+Previous Topic: <a href="zip.html">Zip Encoding Class</a>
·
<a href="#top">Top of Page</a> ·
<a href="../index.html">User Guide Home</a> ·
-Next Topic: <a href="profiling.html">Profiling Your Application</a>
+Next Topic: <a href="../database/index.html">Database Class</a>
</p>
<p><a href="http://codeigniter.com">CodeIgniter</a> · Copyright © 2006 - 2011 · <a href="http://ellislab.com/">EllisLab, Inc.</a></p>
</div>