Re-build README.Rmd

Author: actions-user

examples/README.md

@@ -510,7 +510,12 @@ jobs:
 
 This example builds a [pkgdown](https://pkgdown.r-lib.org/) site for a
 repository and pushes the built package to [GitHub
-Pages](https://pages.github.com/).
+Pages](https://pages.github.com/). The inclusion of
+[`workflow_dispatch`](https://docs.github.com/en/actions/learn-github-actions/events-that-trigger-workflows#workflow_dispatch)
+means the workflow can be [run manually, from the
+browser](https://docs.github.com/en/actions/managing-workflow-runs/manually-running-a-workflow),
+or [triggered via the GitHub REST
+API](https://docs.github.com/en/rest/reference/actions/#create-a-workflow-dispatch-event).
 
 ``` yaml
 # Workflow derived from https://github.com/r-lib/actions/tree/master/examples