Job title display on Assigning Journey

Summary:

There is an employee with two assignments - Cleaning Services and Research Associate and both are active , with Research fellow being Primary assignment.

When we assign Journey through My client group >Assign Journey , selecting the 'Research fellow' assignment , In the first screen shot - Assign Journey we can see it assigned to the 'Research Fellow' assignment . However when we check In the 'Assigned Journeys' we can see the Journey being assigned to the 'Cleaning Services'. (see the Assigned Journey screen shot)

Can anyone clarify on what basis the assignment name appears against the assigned journey?

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