TYB!
Depending what browser you use.
Try searching for
"how to clear browser cache [your_browser_name]"
Should give you some results specific to your browser.
Try closing & re-opening your browser as well (in case you stil haven't).
If that don't work, try finding out how to clear your cache & do it.
There's gonna be a badge for that, I trust?
Some say it stands for "Permanent Head Damage"
there's differing opinions though across the research community.