diff --git a/Developer-Documentation.md b/Developer-Documentation.md
index c164e23..e47a39b 100644
--- a/Developer-Documentation.md
+++ b/Developer-Documentation.md
@@ -10,8 +10,8 @@ Please read the meteor style guide before making any significant contribution.
 
 - Install [Wekan from source](https://github.com/wekan/wekan-maintainer/tree/master/virtualbox) with rebuild-wekan-meteor-1.6.sh script, with options 1 to install and 3 to rebuild source, to your Linux computer (Debian 10 buster or Ubuntu 17.10 or newer preferred, although older ones could also work), or try installing it via the [[virtual appliance|virtual-appliance]]
 - You can use for example [Visual Studio Code](https://code.visualstudio.com/) for editing code, it has Meteor.js etc plugins 
-
 - When changing database schema, [migrations can be used](https://github.com/wekan/wekan/blob/devel/server/migrations.js).
+- [Excellent example how pull requests are improved and integrated, and not needed commits removed](https://github.com/wekan/wekan/pull/1470)
 - Ask questions at [![Wekan chat][vanila_badge]][vanila_chat]
   -  We used to be at ~~[Rocket.Chat][rocket_chat]~~ but that's been discontinued.
 - You can ask anything, we are here to help. But also consult the sources that are already available.