diff --git a/debian/control b/debian/control
index a837f99..8d82e63 100644
--- a/debian/control
+++ b/debian/control
@@ -34,4 +34,10 @@ Depends:
  callaudiod,
  modemmanager,
 Description: Make and receive PSTN phone calls
- A GTK+ user interface for PSTN phone calls using oFono.
+ A GTK user interface for PSTN phone calls using ModemManager.
+ .
+ Besides phone calls it also handles USSD.
+ .
+ It works on desktops but also adjusts to small screen sizes like smart phones
+ and other mobile devices.
+