diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 99673b6..223092b 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -17,9 +17,7 @@ This project uses [sphinx] and [MyST-parser] to allow building various output fo
 
 Contributors can provide changes by pull request towards the project.
 
-### Building and testing
-
-The included book projects can be built and tested using a `Makefile`.
+### Requirements
 
 The following packages need to be installed on the system in order for the build to suceed:
 
@@ -41,6 +39,10 @@ Optional test/check dependencies:
 * [epubcheck](https://github.com/w3c/epubcheck)
 * [watchexec](https://github.com/watchexec/watchexec)
 
+### Building and testing
+
+The included book projects can be built and tested using a `Makefile`.
+
 The below examples show how to use it with a book named `book`.
 
 To cleanly build the [HTML] output: