[Grammar] Hi from Spain

[japjap]

Can any one help? I am trying to find a link that will help me find an answer to,
what kind of mistake it it when you are using the wrong degree of formality

 

[5jj]

Welcome to the forum, japjap. :hi:

Can any one help? I am trying to find a link that will help me find an answer to,
what kind of mistake it it when you are using the wrong degree of formality

A mistake in choice of register, perhaps.