correctly
adv.in a way that is right or accurate. You use this when someone follows the rules or gives the right answer.
adv.in a manner that is accurate, right, or appropriate according to a standard or fact.
“Please make sure you spell your name correctly.”
“If you follow the instructions correctly, the machine should start working immediately.”
“The software is designed to alert the user if the data has not been entered correctly into the required fields.”
Manner adverb — typically placed after the verb or the direct object.
Learners often use the adjective 'correct' when the adverb 'correctly' is required to modify a verb.
Usage correctly answer · correctly assess · correctly describe
From correct + -ly.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.