Skills Center - behaviour where can add anything to Skills

Steps and screenshots below illustrate behaviour.

Me > Skills Center

Scroll to ‘Skills I’m developing’ or ‘Skills I have’

Click on Add:

Typing in 'moo':

Click outside of the dropdown field. 'moo' then entered as a skill:

I am able to click into the 'moo' skill and remove it - but what am I able to action in order to prevent this behaviour or skills being created from a search entry?

Regards,

Darren