Burping baby

Hi. I'm a BF mum. My baby often latch on me and fall asleep. Sometimes I skip the burping part because I don't wanna wake baby up. But she kept spitting out milk. I've asked polyclinic during monthly checkup and they advised to burp after every feed. Whenever I tried, she didn't burp either. Like very hard to make her burp 😅 she kept farting though. I will feel guilty whenever I skip the burping part or didn't manage to make her burp..b