diff --git a/nixos/doc/manual/configuration/profiles/clone-config.xml b/nixos/doc/manual/configuration/profiles/clone-config.xml
index c8d72f0fcd08..3ea4065fe45b 100644
--- a/nixos/doc/manual/configuration/profiles/clone-config.xml
+++ b/nixos/doc/manual/configuration/profiles/clone-config.xml
@@ -6,6 +6,9 @@
          xml:id="sec-profile-clone-config">
  <title>Clone Config</title>
  <para>
-  <emphasis>TBD</emphasis>
+  This profile is used in installer images.
+  It provides an editable configuration.nix that imports all the modules that
+  were also used when creating the image in the first place.
+  As a result it allow users to edit and rebuild the live-system.
  </para>
 </section>