For speakers of foreign tongues, who want to improve,
Cut the first comma to make your clause restrictive.
(In standard usage, the phrase as written implies that all speakers of foreign tongues want to improve; without a comma, it refers only to those speakers of foreign tongues who actually want to improve.
I like your suggestion.
Here’s another point:
Cut the first comma to make your clause restrictive.
(In standard usage, the phrase as written implies that all speakers of foreign tongues want to improve; without a comma, it refers only to those speakers of foreign tongues who actually want to improve.