diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index ed987ff..3ff05bb 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -67,6 +67,7 @@
 			<li>Documented a second argument in the <kbd>decode()</kbd> function for the <a href="libraries/encryption.html">Encryption Class</a>.</li>
 			<li>Fixed an error in the Zip library that didn't allow downloading on PHP 4 servers.</li>
 			<li>Fixed a language key in the profiler: "profiler_no_memory_usage" to "profiler_no_memory".</li>
+			<li>Added "is_object" into the list of unit tests capable of being run.</li>
 		</ul>
 	</li>
 	<li>Database
diff --git a/user_guide/libraries/unit_testing.html b/user_guide/libraries/unit_testing.html
index 2166607..a30343f 100644
--- a/user_guide/libraries/unit_testing.html
+++ b/user_guide/libraries/unit_testing.html
@@ -104,6 +104,7 @@
 as the result.  Here is a list of allowed comparison types:</p>
 
 <ul>
+<li>is_object</li>
 <li>is_string</li>
 <li>is_bool</li>
 <li>is_true</li>