Update component-nudges.adoc

Author: Chr1st1anSears

docs/modules/ROOT/pages/how-tos/configuring/component-nudges.adoc

@@ -8,7 +8,7 @@ However, if you build an application with {ProductName} and make references betw
 
 [NOTE]
 ====
-By default, {ProductName} only looks for image digest references in Dockerfiles, Containerfiles, and YAML files. However, you can xref:./customizing-the-build.adoc[customize your build pipeline] to adjust that list of files with an annotation. Add the following annotation under `annotations` in your component's `/.tekton/<component-name>-push.yaml` file:
+By default, {ProductName} only looks for image digest references in Dockerfiles, Containerfiles, and YAML files. However, you can xref:./customizing-the-build.adoc[customize your build pipeline] to adjust that list of files with an annotation. This functionality is only available for push builds, so add the following annotation under `annotations` in your component's `/.tekton/<component-name>-push.yaml` file:
 `build.appstudio.openshift.io/build-nudge-files: "<comma-separated list of link:https://docs.renovatebot.com/string-pattern-matching/[regex or glob patterns]>"`
 
 The existing list of patterns is: ".\*Dockerfile.*, .\*.yaml, .*Containerfile.*"