This is a matter of being friendly with the team on a daily basis. If you are, then you can change a sentence that could sound harsh without the context into fr

This is a matter of being friendly with the team on a daily basis. If you are, then you can change a sentence that could sound harsh without the context into friendly conversation which may teach both of you something new. If you have found anything bigger then one line, sit together, have a laugh or joke (friendly one), chat about the issue, think (both) about improvement. Not so difficult, really.