I'm glad readers are liking the article, but please read and follow the site guidelines. Note this one: If the title begins with a number or number + gratuitous adjective, we'd appreciate it if you'd crop it. E.g. translate "10 Ways To Do X" to "How To Do X," and "14 Amazing Ys" to "Ys." Exception: when the number is meaningful, e.g. "The 5 Platonic Solids."

The submitted title was "10 most common mistakes using kubernetes", HN's software correctly chopped off the "10", but then you added it back. Submitters are welcome to edit titles when the software gets things wrong, but not to reverse things it got right.