When i press the f5 key in minecraft it locks my sprint or walk. How to fix?

Basically when i press f5 it brings into 3rd person bu i can't stop sprinting and is really frustrating when i'm doing PVP. Does anyone know how to solve this?

Guest

Follow the link, hope it helps.

http://minecraft.wonderhowto.com/how-to/essential-minecraft-pvp-tips-0146289/

Anonymous