diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 40c974d29e..54c272e5da 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -209,11 +209,12 @@
     <title><filename>blacklist.bbclass</filename></title>
 
     <para>
-        The blacklist (<filename>blacklist</filename>) class prevents
+        The <filename>blacklist</filename> class prevents
         the OpenEmbedded build system from building specific recipes
         (blacklists them).
         To use this class, inherit the class globally and set
-        <filename>PNBLACKLIST</filename> for each recipe you wish to blacklist.
+        <link linkend='var-PNBLACKLIST'><filename>PNBLACKLIST</filename></link>
+        for each recipe you wish to blacklist.
         Specify the <link linkend='var-PN'><filename>PN</filename></link>
         value as a variable flag (varflag) and provide a reason, which is
         reported, if the package is requested to be built as the value.