The phrase "added clarifying" is correct and usable in written English.
It can be used when referring to additional information or explanations that enhance understanding.
Example: "In the report, I added clarifying details to ensure that all team members understood the project's objectives."
Alternatives: "provided clarification" or "included explanatory".
Google initially denied its own inaccurate reporting, but later backtracked, adding that it had added clarifying language.
"I don't think you should necessarily look at it as individual businesses, but I think you should look at it as opportunities in consumer choice, and consumer options," he added, clarifying that "of course" there would be options available whereby consumers could sign up for everything all at once, too.
"Not, 'We want to win,' " he added, clarifying.
UPDATE 20/12/17: A note was added clarifying that the new Facebook facial recognition technology will not affect users in Canada or the European Union.
That's it," he added, clarifying, "Now that I've achieved some of the things that I've wanted to achieve, I'm not going to be a slave to it all of a sudden.
We added clarifying statements in the corresponding text.
Judge James E. Wilson ordered the sponsor of the state's personhood initiative to add clarifying language.
And now I know that in order to have hair that is shiny, silky, smooth, split-endless, squeaky clean, bouncy and flirty, the Samurai must add clarifying shampoos to her encyclopedic knowledge of sprays, gels, glazes, pastes, mousses and waxes.
When not failing in their effort to sabotage nuclear nonproliferation negotiations, they were denouncing the Indiana and Arkansas legislatures for undermining their so-called Religious Freedom Restoration Acts by adding clarifying language.
All interviewees were sent summaries of the interviews so they might correct any responses, or add clarifying text.
While constantly whisking, slowly add clarified butter until it is all incorporated.
