next and previous links fixed up
diff --git a/user_guide/libraries/trackback.html b/user_guide/libraries/trackback.html
index be6779f..9d86998 100644
--- a/user_guide/libraries/trackback.html
+++ b/user_guide/libraries/trackback.html
@@ -242,7 +242,7 @@
·
<a href="#top">Top of Page</a> ·
<a href="../index.html">User Guide Home</a> ·
-Next Topic: <a href="unit_testing.html">Unit Testing Class</a>
+Next Topic: <a href="parser.html">Template Parser Class</a>
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