Why this is tricky

Both lines below look correct at a glance. Reveal each one's actual textContent and compare it against the reference — that's the only reliable way to catch either kind of mismatch. Manual testers relying on a visual skim miss both.

1. Plain typo

Reference text:


2. Homoglyph substitution

Reference text: — one letter here has been swapped for a visually identical character from a different alphabet, so it still renders the same.

Initial state.