GPA Mistake on Common App

I made a mistake on my Common App. On the Education Page under the Grades tab, I put 5 for my GPA scale instead of 4. Will the mistake really hurt my application? I already applied to six schools, should I contact them to tell them this mistake? Will schools even make the change, or will they just keep the application as is? I’m really freaking out right now because now my GPA may be seen in a bad light.