diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 105f8dbef8..afb9da2c61 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -918,7 +918,7 @@
     <title><filename>image_types.bbclass</filename></title>
 
     <para>
-        The image types (<filename>image_types</filename>) class defines all of
+        The <filename>image_types</filename> class defines all of
         the standard image output types that you can enable through the
         <link linkend='var-IMAGE_FSTYPES'><filename>IMAGE_FSTYPES</filename></link>
         variable.