You really should identify exactly what it is you're referring to instead of leaving the reader to guess.
In this case, yes, but it's a good habit to have. I'm not the only one who can attest to the fact that much time is wasted when trying to assist others simply because many seem to expect the reader to also read their minds.
Thank you sir and I try to do that in all of my posts as show in recent past. Unless obvious ! Thanks again