diff --git a/documentation/poky-ref-manual/extendpoky.xml b/documentation/poky-ref-manual/extendpoky.xml
index 69ff4e2a52..0b1a2233a7 100644
--- a/documentation/poky-ref-manual/extendpoky.xml
+++ b/documentation/poky-ref-manual/extendpoky.xml
@@ -271,7 +271,7 @@ fi
             <programlisting>
 IMAGE_INSTALL = "task-core-x11-base package1 package2"
 
-inherit poky-image
+inherit core-image
             </programlisting>
             <para>
                 By creating a custom image, a developer has total control
@@ -355,7 +355,7 @@ RRECOMMENDS_task-custom-tools = "\
                 <glossterm><link linkend='var-IMAGE_FEATURES'>IMAGE_FEATURES</link></glossterm>
                 variable. 
                 To create these features, the best reference is 
-                <filename>meta/classes/poky-image.bbclass</filename>, which shows how poky achieves this. 
+                <filename>meta/classes/core-image.bbclass</filename>, which shows how poky achieves this. 
                 In summary, the file looks at the contents of the 
                 <glossterm><link linkend='var-IMAGE_FEATURES'>IMAGE_FEATURES</link></glossterm>
                 variable and then maps that into a set of tasks or packages.