README - fix links to github issues

README.adoc

@@ -408,7 +408,7 @@ When calling a `device.can_<fire_event>?` check, or attempting a `device.<event>
 * If you've run out of events to check (eg. `battery_level == 0`), then the transition isn't possible.
 
 You can also pass additional arguments, which can be evaluated by :if methods or procs. See examples in
-[conditionals_test.rb](test/conditionals_test.rb#L45)
+link:test/conditionals_test.rb#L45[conditionals_test.rb]
 
 ### Advanced transition hooks
 
@@ -517,13 +517,13 @@ Changelog
 
 === New in the version 3.1.0
 
-* gh-227 allow event arguments to be taken into account when selecting the event
+* link:GH-227[] allow event arguments to be taken into account when selecting the event
 
 === New in the version 3.0.0
 
-* gh-228 Support for Ruby 3 keyword args, provided by @agirling
+* #228 Support for Ruby 3 keyword args, provided by @agirling
 * retire Ruby 2.6 since it has reached end of live; please use workflow 2.x, if you still depend on that Ruby version
-* gh-229 Switch from travis CI to GihHub actions for continuous integration
+* #229 Switch from travis CI to GihHub actions for continuous integration
 
 ### New in the versions 2.x