diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 688eccfbd3..7c563723e8 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -15,7 +15,8 @@
     in a <filename>classes/</filename> directory beneath the
     <filename>meta*/</filename> directory found in the
     <ulink url='&YOCTO_DOCS_DEV_URL;#source-directory'>Source Directory</ulink>.
-    Class files can also be pointed to by BUILDDIR (e.g. <filename>build/</filename>)in the same way as
+    Class files can also be pointed to by <filename>BUILDDIR</filename>
+    (e.g. <filename>build/</filename>)in the same way as
     <filename>.conf</filename> files in the <filename>conf</filename> directory.
     Class files are searched for in <link linkend='var-BBPATH'><filename>BBPATH</filename></link>
     using the same method by which <filename>.conf</filename> files are searched.