Update maintaining-references-before-release.adoc

docs/modules/ROOT/pages/advanced-how-tos/releasing/maintaining-references-before-release.adoc

@@ -2,6 +2,8 @@
 
 When images are xref:/advanced-how-tos/releasing/index.adoc[released] they will usually be copied to another image repository. If any image build-time image references are used within component (for example, xref:/advanced-how-tos/building-olm.adoc[OLM bundles]) any references will be invalid after releasing. To surmount this, {ProductName} enables your xref:/how-tos/configuring/component-nudges.adoc[component nudges] to be updated with image references which will be valid after release.
 
+== Configuring nudges for the released image repository targets
+
 .Procedure
 
 . Configure your xref:/advanced-how-tos/releasing/create-release-plan-admission.adoc[release plan admission] for a release pipeline which will copy the images to a new repository.