diff --git a/documentation/ref-manual/introduction.xml b/documentation/ref-manual/introduction.xml
index 29ce2321e6..c3e0c32a69 100644
--- a/documentation/ref-manual/introduction.xml
+++ b/documentation/ref-manual/introduction.xml
@@ -37,11 +37,21 @@
                 Provides an overview of the components that make up the Yocto Project
                 followed by information about debugging images created in the Yocto Project.
                 </para></listitem>
+            <listitem><para><emphasis>
+                <link linkend='closer-look'>A Closer Look at the Yocto Project Development Environment</link>:</emphasis>
+                Provides a more detailed look at the Yocto Project development
+                environment within the context of development.
+                </para></listitem>
             <listitem><para><emphasis>
                 <link linkend='technical-details'>Technical Details</link>:</emphasis>
                 Describes fundamental Yocto Project components as well as an explanation
                 behind how the Yocto Project uses shared state (sstate) cache to speed build time.
                 </para></listitem>
+            <listitem><para><emphasis>
+                <link linkend='migration'>Migrating to a Newer Yocto Project Release</link>:</emphasis>
+                Describes release-specific information that helps you move from
+                one Yocto Project Release to another.
+                </para></listitem>
             <listitem><para><emphasis>
                 <link linkend='ref-structure'>Directory Structure</link>:</emphasis>
                 Describes the