Yes, "could" is better. In fact with usages like 'can' and 'could' there can't be a watertight demarcation of correct or incorrect. As far as opinions are concerned they leave the student in a lurch to decide which one to use. That's why a clear statement is required.Please help me to find the correct sentence.
Can you please help me to corrct the sentence? or
Could you please help me to correct the sentence?
In what situations they can be used?
Thanks in advance