diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index b1fa0b753d..f9a1771d16 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -274,16 +274,16 @@
     <title>Package Groups - <filename>packagegroup.bbclass</filename></title>
 
     <para>
-        This class sets default values appropriate for package group recipes (such as
+        This class sets default values appropriate for package group recipes (e.g.
         <filename><link linkend='var-PACKAGES'>PACKAGES</link></filename>,
         <filename><link linkend='var-PACKAGE_ARCH'>PACKAGE_ARCH</link></filename>,
         <filename><link linkend='var-ALLOW_EMPTY'>ALLOW_EMPTY</link></filename>,
-        and so forth.
+        and so forth).
         It is highly recommended that all package group recipes inherit this class.
     </para>
     <para>
         For information on how to use this class, see the
-        "<ulink url='&YOCTO_DOCS_DEV_URL;#usingpoky-extend-customimage-customtasks'>Customizing Images Using Custom Package Tasks</ulink>"
+        "<ulink url='&YOCTO_DOCS_DEV_URL;#usingpoky-extend-customimage-customtasks'>Customizing Images Using Custom Package Groups</ulink>"
         section in the Yocto Project Development Manual.
     </para>
     <para>