The quick way to a heart attack

I am pretty picky when it comes to my website designs, and today when I clicked on a individual page archive I about had a heart attack when I noticed all of the header and formating information was jacked up. Quickly going over to my templates page I noticed that when I made a update on Saturday I accidentally left out a closing bracket “>” this ended up messing up 5204 individual pages. Needless to say I was not happy, so now as this website is rebuilding in the background I can only sit back and live in learn, needless to say it’s pretty sad when a bracket ruins your day.