I don't see how this is a correction of what I wrote. It is completely usual for a peptide to not only be a polymer itself, but also be attached to other polymers: https://en.wikipedia.org/wiki/Glycosylation

That term is totally meaningless in the title. Similarly, the term "multi-drug resistance" has always been about hyping up your paper. It was used until 2010 or so without any definition at all, look at all those papers:

https://www.ncbi.nlm.nih.gov/pubmed/?term=multi+drug+resista...