French translation in the editor

[Christal 425]

Hey Devs 

It seems that in the french translation, it's not indicated  improvement in %, or optimisation of the collisions concerning welds.
It works if I change the language:

 

And here, a little detail, you can remove the "de"

 

Thank you 

[Ane 1213]

Thanks for the report! We've fixed both issues