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:&nbsp;&nbsp;<a href="errors.html">Error Handling</a>
+Previous Topic:&nbsp;&nbsp;<a href="zip.html">Zip Encoding Class</a>
 &nbsp;&nbsp;&nbsp;&middot;&nbsp;&nbsp;
 <a href="#top">Top of Page</a>&nbsp;&nbsp;&nbsp;&middot;&nbsp;&nbsp;
 <a href="../index.html">User Guide Home</a>&nbsp;&nbsp;&nbsp;&middot;&nbsp;&nbsp;
-Next Topic:&nbsp;&nbsp;<a href="profiling.html">Profiling Your Application</a>
+Next Topic:&nbsp;&nbsp;<a href="../database/index.html">Database Class</a>
 </p>
 <p><a href="http://codeigniter.com">CodeIgniter</a> &nbsp;&middot;&nbsp; Copyright &#169; 2006 - 2011 &nbsp;&middot;&nbsp; <a href="http://ellislab.com/">EllisLab, Inc.</a></p>
 </div>