* desktop login. When your application is launched again, its
* arguments are passed through platform communication to the already
* running program. The already running instance of the program is
- * called the <firstterm>primary instance</firstterm>. On Linux, the
- * D-Bus session bus is used for communication.
+ * called the <firstterm>primary instance</firstterm>; for non-unique
+ * applications this is the always the current instance.
+ * On Linux, the D-Bus session bus is used for communication.
*
* If used, the expected form of an application identifier is very close
* to that of of a