diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 1c01638f1e..fb06c02c9a 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -426,6 +426,20 @@
     </para>
 </section>
 
+<section id='ref-classes-copyleft_compliance'>
+    <title><filename>copyleft_compliance.bbclass</filename></title>
+
+    <para>
+        The Copyleft Compliance <filename>copyleft_compliance</filename> class
+        preserves source code for the purposes of license compliance.
+        This class is an alternative to the <filename>archive*</filename>
+        classes and is still used by some users even though it has been
+        deprecated in favor of the
+        <link linkend='ref-classes-archiver'><filename>archive*</filename></link>
+        classes.
+    </para>
+</section>
+
 <section id='ref-classes-debian'>
     <title>Debian Renaming - <filename>debian.bbclass</filename></title>