Format improvement: add note

Co-authored-by: Sara Arjona <sara@moodle.com>

general/community/plugincontribution/index.md

@@ -9,7 +9,13 @@ This page describes how to contribute your code into the [Plugins directory](htt
 
 ## Why
 
-You are encouraged to share your plugin with the community. But firstly, to be clear and honest, you do not necessarily need to submit your plugin into the Plugins directory. Maybe it is a custom plugin that solves one particular site's needs and you do not really want to share it with others. Remember you can always simply host your plugin on your own site and let users download it manually from there.
+You are encouraged to share your plugin with the community. But firstly, to be clear and honest, you do not necessarily need to submit your plugin into the Plugins directory. Maybe it is a custom plugin that solves one particular site's needs and you do not really want to share it with others.
+
+:::note
+
+Remember you can always simply host your plugin on your own site and let users download it manually from there.
+
+:::
 
 Having your plugin registered with the Plugins directory has several benefits.