Update documentation of history userinstalled command

The described behavior differs from current behavior therefore
it might create a confusion.

doc/command_ref.rst

@@ -795,8 +795,8 @@ transactions and act according to this information (assuming the
  the current state of RPMDB, it will not undo the transaction.
 
 ``dnf history userinstalled``
- Show all installonly packages, packages installed outside of DNF and packages not
- installed as dependency. I.e. it lists packages that will stay on the system when
+ Show all packages installed by user, installed from a group or a module profile, and packages
+ installed outside of DNF. I.e. it lists packages that will stay on the system when
  :ref:`\autoremove_command-label` or :ref:`\remove_command-label` along with
  `clean_requirements_on_remove` configuration option set to True is executed. Note the same
  results can be accomplished with ``dnf repoquery --userinstalled``, and the repoquery