name changer not working

Whenever I try to change my name for minecraft, it pops up a screen which says 

Minecraft Profile
See your Minecraft profile information by login in to minecraft.net.

Realms Subscriptions

Minecraft Realms is our subscription based service for hosting your Minecraft worlds. Learn more about Minecraft Realms

Note: Realms purchases and management has moved to www.minecraft.net.

It does not pop up a name changer in anyway