diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index b451edb2e2..b5a802f3b5 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -1564,7 +1564,7 @@
     <title><filename>mirrors.bbclass</filename></title>
 
     <para>
-        The mirrors (<filename>mirrors</filename>) class sets up some standard
+        The <filename>mirrors</filename> class sets up some standard
         <link linkend='var-MIRRORS'><filename>MIRRORS</filename></link> entries
         for source code mirrors.
         These mirrors provide a fall-back path in case the upstream source