next and previous links fixed up
diff --git a/user_guide/libraries/file_uploading.html b/user_guide/libraries/file_uploading.html
index 01f9b68..8a26a3e 100644
--- a/user_guide/libraries/file_uploading.html
+++ b/user_guide/libraries/file_uploading.html
@@ -423,7 +423,7 @@
<div id="footer">
<p>
-Previous Topic: <a href="encryption.html">Encryption Class</a>
+Previous Topic: <a href="download_helper.html">Download Helper</a>
·
<a href="#top">Top of Page</a> ·
<a href="../index.html">User Guide Home</a> ·