I typed a sentence in Microsoft Word as:
o Each mobile operating system implements encryption in their own way.
It was part of a list of bullet points. I got dinged for their own being grammatically incorrect, and the error was
Reflexive Pronoun Use(consider revising)
My question: What is a reflexive pronoun? Also, is there a better way to word this, or is it fine as is? I know software won't have all the nuances of the English language correct, but as I don't know who will be viewing this document in the future, I'd like to have all my Pronouns in a row.