diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 0dbefa2b91..6b22de568c 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -1026,8 +1026,8 @@
     <title><filename>image-vmdk.bbclass</filename></title>
 
     <para>
-        The Virtual Machine Disk image (<filename>image-vmdk</filename>) class
-        supports building VMware VMDK images.
+        The <filename>image-vmdk</filename> class supports building VMware
+        VMDK images.
         Normally, you do not use this class directly.
         Instead, you add "vmdk" to
         <link linkend='var-IMAGE_FSTYPES'><filename>IMAGE_FSTYPES</filename></link>.