diff --git a/9-BMwrapper--&-claws-mail-app.md b/9-BMwrapper--&-claws-mail-app.md
index f3566f9..b3d515f 100644
--- a/9-BMwrapper--&-claws-mail-app.md
+++ b/9-BMwrapper--&-claws-mail-app.md
@@ -1,3 +1,9 @@
 use BMwrapper , claws mail-app (with python pugin and example scripts) and d-feet Dbus debugger 
 
-https://gkbrk.com/2018/02/simple-dbus-service-in-python/  more useless info, 100% not actionable
\ No newline at end of file
+https://gkbrk.com/2018/02/simple-dbus-service-in-python/  more useless info, 100% not actionable
+
+d-feet gives you:
+
+
+* a single system bus, available to all users and processes of the system, that provides access to system services (i.e. services provided by the operating system and also by any system daemons)
+* a session bus for each user login session, that provides desktop services to user applications in the same desktop session, and allows the integration of the desktop session as a whole