diff --git a/user_guide/libraries/unit_testing.html b/user_guide/libraries/unit_testing.html
index 182e29e..c110961 100644
--- a/user_guide/libraries/unit_testing.html
+++ b/user_guide/libraries/unit_testing.html
@@ -185,7 +185,7 @@
 $this->unit->set_template($str);
 </code>
 
-
+<p class="important"><strong>Note:</strong> Your template must be declared <strong>before</strong> running the unit test process.</p>