Update README.md

Author: JonathanGiles

README.md

@@ -12,14 +12,14 @@ Documentation is available for reading online, and will always reflect the very
 </ul>
 
 ## Build Process
-The documentation is written in AsciiDoc. On every commit to this GitHub repo a build process is run, resulting in newly-built content available in <a href="https://fxdocs.github.io/docs/index.html">HTML</a> and as a <a href="https://fxdocs.github.io/docs/book.pdf">single PDF file</a>. The JavaFX Documentation Project uses Travis CI to perform continuous builds of the AsciiDoc source. The current status of the build is:
+The documentation is written in AsciiDoc. On every commit to this GitHub repo a build process is run, resulting in newly-built content available in <a href="https://fxdocs.github.io/docs/html5/index.html">HTML</a> and as a <a href="https://fxdocs.github.io/docs/pdf/index.pdf">single PDF file</a>. The JavaFX Documentation Project uses GitHub Actions to perform continuous builds of the AsciiDoc source. The current status of the build is:
 
-[![Build Status](https://travis-ci.org/FXDocs/docs.svg?branch=master)](https://travis-ci.org/FXDocs/docs)
+![Build Docs](https://github.com/FXDocs/docs/workflows/Build%20Docs/badge.svg)
 
 To build manually:
 
 ```
 ./gradlew run
 ```
 
-This will produce `html5` and `pdf` directories with the appropriate files inside `build/docs/`.
+This will produce `html5` and `pdf` directories with the appropriate files inside `build/docs/`.