Enter an anchor ID (no “#”, no spaces). Use only lowercase letters, numbers, and hyphens. It must start with a letter, be unique on the page, and be 2–50 characters long. Avoid special characters, underscores, and accents. Keep it short and descriptive; use hyphens to separate words. Enter an anchor ID (no “#”, no spaces). Use only lowercase letters, numbers, and hyphens. It must start with a letter, be unique on the page, and be 2–50 characters long. Avoid special characters, underscores, and accents. Keep it short and descriptive; use hyphens to separate words.