README.adoc in navigator-7.4.0 vs README.adoc in navigator-7.5.0

@@ -317,11 +317,11 @@
 ----
 
 These are just a few, simple, examples of what can be achieved. See the specs for additional usage
 and customization.
 
-== Customization
+=== Customization
 
 The `+navigation+` view helper can accept an optional `+Navigator::TagActivator+` instance.
 
 Code:
 
@@ -433,20 +433,22 @@
 
 == Development
 
 To contribute, run:
 
-....
-git clone https://github.com/bkuhlmann/navigator.git
+[source,bash]
+----
+git clone https://github.com/bkuhlmann/navigator
 cd navigator
 bin/setup
-....
+----
 
 You can also use the IRB console for direct access to all objects:
 
-....
+[source,bash]
+----
 bin/console
-....
+----
 
 == Tests
 
 To test, run: