Updated Development Guide (markdown)

Development-Guide.md

@@ -15,9 +15,9 @@ At the moment we are releasing the app in two app stores:
 * f-droid (work in progress)
 
 We do differentiate between three different kinds of releases:
-* stable releases
-* stable beta releases done via the Beta program of the Google Play store
-* development beta releases done as a standalone app that can be installed in parallel to the stable app
+* _stable releases_
+* _stable beta_ releases done via the Beta program of the Google Play store
+* _development beta_ releases done as a standalone app that can be installed in parallel to the stable app
 
 ##Release process
 ###Stable Release