That is correct. Infinitives – “to [verb]” – are conjugated as one word in Latin. For example, “to love” is “amare”. For some reason, adding a modifier between “to” and the “verb” is thought of as breaking the Latin word, and therefore incorrect. You’d have to add a second word whether you said, “to love boldly” or “to boldly love”, so while I understand the logic behind it, in practice it feels very obsessive and compulsive toward arbitrary rules.
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Technically correct is the best kind of correct, after all.
The word “linguistic” is also an adjective meaning “of or relating to language”. Thus “linguistic transgressions” means “transgressions having to do with language”.